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Bedienungsanleitung Oki 24DX

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  • Oki 24DX - page 1

    40930701TH DRAFT Version 1 / 237 OKIP A GE24DX / OKIP A GE24dx LED Page Printer Maintenance Man ual OD A/ OEL/ INT 1998.12.22 DRAFT Version ...

  • Oki 24DX - page 2

    40930701TH DRAFT Vesion 2 / PREF A CE This maintenance manual describes the field maintenance methods for OKIPAGE24DX/OKIPAGE24dx. This manual is written for use by maintenance personnel. Note, however, that the user should refer to the USER’S MANUAL for methods of handling and operating the equipment. ...

  • Oki 24DX - page 3

    40930701TH DRAFT Vesion 3 / CONTENTS 1. CONFIGURATION ....................................................................................... 7 1.1 System Configuration ................................................................................................. 7 1.2 Printer Configuration ....................................................... ...

  • Oki 24DX - page 4

    40930701TH DRAFT Vesion 4 / 3.3.27 Power supply unit ......................................................................................... 86 3.3.28 Lever-Paper end & Lever-Paper near end ................................................... 87 3.3.29 Guide Assy-Cassette (L) .................................................................... ...

  • Oki 24DX - page 5

    40930701TH DRAFT Vesion 5 / A PPENDIX A CENTRONICS PARALLEL INTERFACE .................................... 185 A PPENDIX B RS-232C SERIAL INTERFACE ................................................... 189 A PPENDIX C SECOND/ THIRD PAPER FEEDER MAINTENANCE ................. 191 1. OUTLINE .............................................................. ...

  • Oki 24DX - page 6

    40930701TH DRAFT Vesion 6 / 3.3 Parts Replacement Methods ........................................................................ 223 3.3.1 Separator ........................................................................................ 224 3.3.2 AOLE-PCB ...................................................................................... 225 ...

  • Oki 24DX - page 7

    40930701TH DRAFT Vesion 7 / 1. CONFIGURATION 1.1 System Configuration OKIPAGE24DX / OKIPAGE24dx consists of control and engine blocks as the standard configu- ration (See Figure 1-1.) In addition, the following options are also available. Printer Operator panel Face down stacker Face up stacker Power supply unit DC Fan Main control PC etc. Centroni ...

  • Oki 24DX - page 8

    40930701TH DRAFT Vesion 8 / 1.2 Printer Configuration The printer unit consists of the following hardware components: • Electro-photographic processor • Paper feeder • Controller • Operator panel • Power supply unit • Duplex Unit Figure 1-2 shows the printer unit configuration. Figure 1-2 Face-up stacker Assy Cover-Rear Cover-Frame Heat ...

  • Oki 24DX - page 9

    40930701TH DRAFT Vesion 9 / 1.3 Optional Configuration The options below are available for use with OKIPAGE24DX / OKIPAGE24dx. They are sold separately from the printer unit. (1) Multi Feeder (2) Second/ Third Paper Feeder (3) D-RAM SIMM module (72 pin SIMM, 16 MB/32 MB, EDO SIMM type) See 7.2 (1) for where to install. ...

  • Oki 24DX - page 10

    40930701TH DRAFT Vesion 10 / (4) Flash ROM module (72 pin SIMM, 4MB/8MB) See 7.2 (1) for where to install. ...

  • Oki 24DX - page 11

    40930701TH DRAFT Vesion 11 / 1.4 Specification (1) Type Desk top (2) External dimensions Height 13.0” (331 mm) (excludes protruding Width 14.4” (366 mm) Portion) Depth 18.2” (462 mm) (3) Weight 21.3 kg (47 lbs) (4) Development method Dry electrophotography Exposure method LED stationary head (5) Paper used <Type> • Standard paper – ...

  • Oki 24DX - page 12

    40930701TH DRAFT Vesion 12 / (12) Temperature and humidity (13) Noise During operation: 55 dBA or less At standby: 45 dBA or less Power save mode: 43 dBA or less (14) Consumables Toner cartridge kit 6,000 pages(5% duty)* Image drum cartridge 30,000 pages(at continuous Simplex printing)* 19,000 pages(3 page/job)(Simplex printing)* * Simplex printing ...

  • Oki 24DX - page 13

    40930701TH DRAFT Vesion 13 / 1.5 Safety Standards 1.5.1 Certification label The safety certification label is affixed to the printer in the position below. ex. ODA 120V 1.5.2 Warning label The warning label is affixed to the portion which may cause an injury to human body. Follow the instructions on warning labels during maintenance. ...

  • Oki 24DX - page 14

    40930701TH DRAFT Vesion 14 / 2. OPERATION DESCRIPTION OKIPAGE24DX / OKIPAGE24dx consists of a main control board, a power supply unit (120V/ 230V), a power supply unit (high voltage), an operator panel and an electro-photographic process mechanism. The control board receives data through a host I/F, decodes and edits the data, and stores the edited ...

  • Oki 24DX - page 15

    40930701TH DRAFT Vesion 15 / Figure 2-1 OKIPAGE24DX / OKIPAGE24dx block diagram FLASH ROM Module PS ROM Extension DRAM Module DRAM Centronics I/F RS232C I/F LAN etc. (Option) Outlet sensor AC120V/230V OKI HSP I/F Board (Option) PCL ROM Driver Receiver Driver Receiver TRANSISTOR TRANSISTOR DRIVER DRIVER EEPROM Operator panel LED HEAD THERMISTOR CHAR ...

  • Oki 24DX - page 16

    40930701TH DRAFT Vesion 16 / Built-in device Function Chip select controller Control of peripheral LSI, ROM, DRAM and I/O device Bus controller DRAM controller DMA controller Transfer of data from Host I/F to RAM Serial interface controller Control of RS232C serial interface Parallel interface controller Control of Centronics parallel interface Tim ...

  • Oki 24DX - page 17

    40930701TH DRAFT Vesion 17 / Memory area Us e Memory capacity setting MENU Expansion RAM System area Fixed Fixed Raster buffer Enable Expandable Receive buffer Enable Expandable Page buffer – Expandable DLL/macro buffer – Expandable Font cache buffer Enable Expandable (3) DRAM's 16-Megabyte DRAM (64 Mbit DRAM x 2) is mounted as resident me ...

  • Oki 24DX - page 18

    40930701TH DRAFT Vesion 18 / (a) Centronics bidirectional parallel interface This is an interface conforming to IEEE-1284 and provides either of unidirectional and bidirectional communications according to each of the following communication modes. • Compatibility mode Unidirectional communications from the host to the printer. • Nibble mode Th ...

  • Oki 24DX - page 19

    40930701TH DRAFT Vesion 19 / (7) RAM module • Pin layout • Basic specificaton - Type: 72 pins Standerd SIMM (32 bits buss width) [Note : EDO SIMMtype ] - Access time: 60ns, 70ns, 80ns, 100ns - Capacity: 16 or 32MB - Parity: None (8) Flash ROM module • Pin layout • Basic specificaton - Type: 72 pins SIIM (32 bits buss width) - Access time: 9 ...

  • Oki 24DX - page 20

    40930701TH DRAFT Vesion 20 / Output voltage Use +5 V Logic circuit supply voltage +30 V Motor and fan drive voltage and source voltage for high-voltage supply +8 V Reset circuit, RS232C Line voltage –8 V RS232C Line voltage +3.8V LED HEAD supply voltage Output Voltage Use Remarks Sub-CH -15 µ A Voltage applied to Sub charging roller CH -1.30 KV ...

  • Oki 24DX - page 21

    40930701TH DRAFT Vesion 21 / Outlet sensor Roller-feeder (c) Roller-exit Inlet sensor 1 Inlet sensor 2 Toner sensor Paper running direction Paper sensor Roller-Heat Roller-transfer Feed roller Roller-regist Sensor Inlet sensor 1 Inlet sensor 2 Paper sensor Outlet sensor Toner low sensor Figure 2-3 Function Detects the leading part of the paper and ...

  • Oki 24DX - page 22

    40930701TH DRAFT Vesion 22 / 2.3 Electro-photographic Process 2.3.1 Electro-photographic process mechanism This mechanism prints image data from the control board on the paper by electro-photographic process. The Figure 2-4 shows the layout of the electro-photographic process mechanism. Figure 2-4 Front Feeder 1st Hopping Roller Roller Assy-Feed Mo ...

  • Oki 24DX - page 23

    40930701TH DRAFT Vesion 23 / (1) Image drum unit The image drum unit consists of a sensitive drum, a charger, and a developer. The unit forms a toner image on the sensitive drum, using a electrostatic latent image formed by the LED head. (2) Hopping motor This motor is a pulse motor of 48 steps/rotation that is two-phase excited by the signal from ...

  • Oki 24DX - page 24

    40930701TH DRAFT Vesion 24 / 2.3.2 Electro-photographic process The electro-photographic processing is outlined below. Figure 2-5 shows the electro-photo- graphic printing process. 1 Charging The surface of the image drum is uniformly charged with negative charges by applying a negative voltage to the charge roller. 2 Exposure Light emitted from th ...

  • Oki 24DX - page 25

    40930701TH DRAFT Vesion 25 / Figure 2-5 Paper eject roller Paper eject (Face down) Power supply Charger roller Cleaning roller Power supply Paper path selector Heater roller Fusing Fusing pressure Image data LED head Developing roller Power supply (Bias voltage) Doctor blade Transfer roller Paper registration Registration roller Paper supply Hoppin ...

  • Oki 24DX - page 26

    40930701TH DRAFT Vesion 26 / Figure 2-6 PAPER TRAY PAPER PRINTER SIMPLEX PRINTING TIMING CHART STACKER OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON OFF ON DMON-N (DRUM MOTOR) HMON-N (HOPPING MOTOR) PWM1-P (CLUCH for hopping) PWM2-P (CLUCH for REGISTRATION) PSIN1-N (INLETSENSOR1) WRSENSE-N (PAPER SENSOR) PSOUT-N (OUTLET SENSOR) STB-N (LED HEAD) ...

  • Oki 24DX - page 27

    40930701TH DRAFT Vesion 27 / Figure 2-7 PAPER TRAY PAPER PRINTER PRINTER STACKER DUPLEX UNIT DUPLEX PRINTING TIMING CHART PRINTER/ DUPLEX UNIT DUPLEX UNIT/ PRINTER OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON DMON-N (DRUM MOTOR) HMON-N (HOPPING MOTOR) PWM1-P CLUCH for hopping) PWM2-P (CLUCH for R ...

  • Oki 24DX - page 28

    40930701TH DRAFT Vesion 28 / 2.4.3 Process operation descriptions (1) Hopping Hoppings from the first tray and the front feeder are effected by a single hopping motor in the mechanism shown below. Turning the Hopping motor in direction a (CW) drives the 1st Hopping Roller. Turning the Hopping motor in direction b (CCW) drives the Front Hopping Roll ...

  • Oki 24DX - page 29

    40930701TH DRAFT Vesion 29 / (a) Hopping from the 1st Tray 1 Hopping Rotating the Hopping Motor in direction a (CW) drives the 1st Hopping Roller and the Sub Roller then pick up a sheet of paper in the 1st tray. The Main Motor is always driven in direction c (CCW) on printing. After the paper fed approx. 30mm from the tray, the Clutch (Feed) drives ...

  • Oki 24DX - page 30

    40930701TH DRAFT Vesion 30 / (b) Hopping from the Front Feeder 1 Hopping The Front Feeder Plate is normally locked at the lower position by the Release Lever and turn the Micro SW on. Top of the FF Cam which attached on end of the Front Hopping Shaft is normally located Upper position (0 to 30 degree : home position). Rotating the Hopping Motor in ...

  • Oki 24DX - page 31

    40930701TH DRAFT Vesion 31 / Front Feeder Plate Gear C (one way clutch build in) Paper Hopping Roller (Front Feeder) Regist Roller Pressure Roller Hopping Motor Paper d Inlet Sensor Hopping Roller Gear A 1st Hopping Gear (One way Gear build in) Sub Roller b (CCW) 0~30 ° 60 ° 180 ° FF Cam Micro SW Front Feeder Plate Release Lever Front Hopping Sh ...

  • Oki 24DX - page 32

    40930701TH DRAFT Vesion 32 / (2) Feeding After the end of hopping, the pulse motor dedicated for driving the registration roller rotates to drive the registration roller. The driven registration roller advances the paper until it comes out of the registration roller. When leading edge of the paper causes the paper sensor to turn on, the printing is ...

  • Oki 24DX - page 33

    40930701TH DRAFT Vesion 33 / (3) Charging Charging is effected by applying a DC minus voltage to the charge roller that is in contact with the image drum surface. (4) Exposure Light emitted from the LED head irradiates the image drum surface with negative charges. The surface potential of the irradiated part of the image drum drops, thereby forming ...

  • Oki 24DX - page 34

    40930701TH DRAFT Vesion 34 / (5) Developing Toner is attracted to the electrostatic latent image on the image drum surface to convert it into a visible toner image. Developing takes place at the contact between the image drum and the developing roller. 1 As the toner supply roller rotates while rubbing on the developing roller, a friction charge is ...

  • Oki 24DX - page 35

    40930701TH DRAFT Vesion 35 / (6) Transfer The transfer roller is composed of conductive sponge material and is designed to make the image drum surface and the paper closely into contact. Paper is placed over the image drum surface, and a positive charge, opposite in polarity to the toner, is applied to the paper from its reverse side. The applicati ...

  • Oki 24DX - page 36

    40930701TH DRAFT Vesion 36 / (7) Fusing After the end of the transfer, the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back-up roller. The heater roller with a Teflon coating incorporates a 750W heater (Halogen lamp), which heats the heat roller. A thermistor which is in contact w ...

  • Oki 24DX - page 37

    40930701TH DRAFT Vesion 37 / (8) Cleaning After the end of the transfer, residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface. (9) Cleaning of rollers The charge roller, transfer roller and cleaning roller are cleaned in the following cases: • In warming up at power ...

  • Oki 24DX - page 38

    40930701TH DRAFT Vesion 38 / (10) Duplex unit When the Duplex Unit receives an instruction for both-sided printing from the unit, the separator will be opened by the action of a solenoid within Duplex and the route will be shifted to the one into the Duplex after one-sided printing of papers, which are fed from the tray, are completed. At this time ...

  • Oki 24DX - page 39

    40930701TH DRAFT Vesion 39 / 2.3.4 Revision of LED Head Illumination An LED correcting head, which is capable of correcting the illumination of the LED for each dot, is being used in this printer. LED illumination correction function of 16 steps is carried out by using an EEPROM which is installed in the LSI that maintains the LED illumination corr ...

  • Oki 24DX - page 40

    40930701TH DRAFT Vesion 40 / (i) Read of correction data CLOCK LOAD DATA 3~0 STRB1-N STRB2-N STRB3-N STRB4-N Mode setting RD Mode enabled RD Mode set RD 250ns min High-Z High-Z data1 data3 correction data1 correction data2 correction data 4992 data2 data4 1000 dummy cycle 8 clocks RD cycle 8 clocks RD cycle 8 clocks Head data read Correction data r ...

  • Oki 24DX - page 41

    40930701TH DRAFT Vesion 41 / 011 00 CLOCK LOAD DATA 3~0 STRB4~1 Mode setting Total 2496 clocks Correction data 1 Correction data 4991 Correction data 4992 Correction data 2 Correction data 4 Correction data 3 DIRECT Mode enabled DIRECT Mode set DIRECT 250ns min (ii) Transfer of correction data to head driver correction data ...

  • Oki 24DX - page 42

    40930701TH DRAFT Vesion 42 / (2) One side wire-bonding head DATA 3 DATA 2 DATA 1 DATA 0 CLOCK LOAD STRB4-N STRB3-N STRB2-N STRB1-N Correction Control LSI EEPROM LED LED LED LED LED LED LED LED Driver LED Driver LED Array From CPU (i) LED head is set to the correction control read mode and all correction data stored in EEPROM within the correction c ...

  • Oki 24DX - page 43

    40930701TH DRAFT Vesion 43 / (i) Read of correction data CLOCK LOAD DATA 3~0 STRB1-N STRB2-N STRB3-N STRB4-N Mode setting RD Mode enabled RD Mode set RD 250ns min High-Z High-Z data1 data3 correction data1 correction data2 correction data 5200 data2 data4 1000 dummy cycle 8 clocks RD cycle 8 clocks RD cycle 8 clocks Head data read Correction data r ...

  • Oki 24DX - page 44

    40930701TH DRAFT Vesion 44 / (ii) Transfer of correction data to head driver correction data 011 00 CLOCK LOAD DATA 3~0 STRB4~1 STRB1-N STRB2-N STRB3-N STRB4-N Mode setting Total 5200 clocks Correction data1 Correction data1300 Correction data1301 Correction data2 DIRECT Tp Ditail figure A-D A part of A A part of B A part of C A part of D Tp Tp Tp ...

  • Oki 24DX - page 45

    40930701TH DRAFT Vesion 45 / The LED driver corrects the LED illumination by controlling the LED current. The LED illumination can be set in 16 steps, with 7 steps in the direction of illumination increase in relation to the standard value, and 8 steps in the direction of decrease. For this reason, the LED correction data is a 4-bit data for each d ...

  • Oki 24DX - page 46

    40930701TH DRAFT Vesion 46 / CLOCK LOAD DATA3~0 STRB1-N STRB2-N STRB3-N STRB4-N Normal Mode Printing Timing Chart First line printing data sent Second line printing data sent First line printing The printing operation timing chart is shown below. The printing operation is carried out in normal mode. Under ordinary circumstances such as when the pow ...

  • Oki 24DX - page 47

    40930701TH DRAFT Vesion 47 / 2.4 Paper Jam Detection The paper jam detection function supervises the paper state at power-on time and during printing. In the event that the following state occurs, this function interrupts the printing process. If any of the following errors is presented, recovery printing will be performed by removing the jammed pa ...

  • Oki 24DX - page 48

    40930701TH DRAFT Vesion 48 / 2.5 Cover Open When the stacker cover is opened, the cover open microswitch on the Power Supply Unit (High voltage) is turned off to cut the supply of +30V to the high voltage power supply circuit. As a result, all high-voltage outputs are interrupted. At the same time, the CVOPN signal is sent to the control board to n ...

  • Oki 24DX - page 49

    40930701TH DRAFT Vesion 49 / 2.6 Toner Low Detection • Composition The device consists of the stirring gear which rotates at a constant rate, the stirring bar and the magnet on the stirring bar. The stirring bar rotates through the link on the protrusion in the stirring gear. Operation during toner full state • The stirring bar rotates due to t ...

  • Oki 24DX - page 50

    40930701TH DRAFT Vesion 50 / TONER FULL state TONER LOW state TNRSNS t1 t1 < 2.727/4 TNRSNS 2.727 SEC. t1 2.727 SEC. t1 > 2.727/4 • When the toner low state is detected 2 times consecutively, Toner Low is established. • When the toner full state is detected 2 times consecutively, Toner Low is cancelled. • When there is no change with th ...

  • Oki 24DX - page 51

    40930701TH DRAFT Vesion 51 / 2.7 Stacker-full Detection The sensor (interlocked with the lever) at the paper outlet to the stacker detects a stacker-full state (about 250 sheets) and stops printing of the ensuing pages. 2.8 Page Size Detection The four tab pieces are driven according to the setting position of the paper guide through the cam interl ...

  • Oki 24DX - page 52

    40930701TH DRAFT Vesion 52 / 3. PARTS REPLACEMENT The section explains the procedures for replacement of parts, assemblies, and units in the field. Only the removal procedures are explained here. Reverse the procedure for the installation. 3.1 Precautions for Parts Replacement (1) Before starting parts replacement, remove the AC cable and interface ...

  • Oki 24DX - page 53

    40930701TH DRAFT Vesion 53 / [Service Tools] Table 3-1 shows the tools required for field replacement of printed circuit boards and units. Table 3-1 Service Tools No. No. 1-100 Philips screwdriver Q' ty Place of use Remarks Service Tools 1 2 3 4 5 6 8 9 10 No. 2-200 Philips screwdriver, Magnetized No. 3-100 screwdriver No. 5-200 screwdriver Di ...

  • Oki 24DX - page 54

    40930701TH DRAFT Vesion 54 / Figure 3-1 3.2 Parts Layout Face-up stacker Assy Cover-Rear ROLLER-Transfer Cover-Frame Cover-Side(R) Manual Feed Assy CASE Assy-Cassette Base Unit Cover-Side(L) Assy Contact Assy Frame-OP panel Assy Cover-Side(I/F) Plate-Shield Main Control Board (Board-FFF) ...

  • Oki 24DX - page 55

    40930701TH DRAFT Vesion 55 / Figure 3-2 Feed Unit-FRONT HEAT-Assy GUIDE-Assy-Eject LED HEAD FRAME-Main DC Fan Motor ROLLER Assy-Feed Motor-Main Toner Cartridge (Type 7) ID Unit (Type 7) Stacker Cover ...

  • Oki 24DX - page 56

    40930701TH DRAFT Vesion 56 / Figure 3-3 FRAME Assy-Hopping Power Supply Unit (120V/230V) Power Supply Unit (High Voltage) ROLLER Assy-Feed FILM-Insulation GUIDE Assy-Cassette(R) GUIDE Assy-Cassette(L) PLATE-Bottom Board PXC ...

  • Oki 24DX - page 57

    40930701TH DRAFT Vesion 57 / Figure 3-4 Solenoid Assy Control board (Board-LEX) Connector (IMSA-9714N-14A) Photo sensor Photo sensor Motor ...

  • Oki 24DX - page 58

    40930701TH DRAFT Vesion 58 / 3.3 How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below. Printer Unit Face-up Stacker Assy Contact Assy OP Panel Assy Paper Cassette, ROLLER Ass-Feed, ROLLER-Assy-Hopping Transfer Roller/TR Gear/ TR Bearing Duplex Unit (3.3.1) (3.3.2) (3.3.4) (3.3.19) ( ...

  • Oki 24DX - page 59

    40930701TH DRAFT Vesion 59 / 3.3.1 Face -up Stacker Assy (1) Turn off the AC Power Switch and unplug the AC Power Cord from the outlet. (2) Disconnect the Interface Cable 1 . (3) Open the face-up stacker assy 2 , unhook the right and left projections, and then remove the face-up stacker assy 2 . 1 2 ...

  • Oki 24DX - page 60

    40930701TH DRAFT Vesion 60 / 3.3.2 Contact Assy (1) Open the stacker assy 1 and unscrew 2 screw 2 to remove the assy -side (L) 3 . (2) Unscrew 2 screws 4 and remove the plate (contact) 5 and contact Assy 6 . Note! Don’t deform the electrode plates of the contact assy 6 . Unlock this part before removing 6 4 5 2 6 1 3 ...

  • Oki 24DX - page 61

    40930701TH DRAFT Vesion 61 / 3.3.3 DC Fan Motor (1) Remove the cover assy-side (L). [See 3.3.2 (1)] (2) Remove the DC fan motor 1 by pulling out the connector of DC fan motor 1 . 1 ...

  • Oki 24DX - page 62

    40930701TH DRAFT Vesion 62 / 3.3.4 OP Panel Assy (1) Disconnect the Interface cable 1 . (2) Open the stacker assy 2 , unscrew 2 screws 3 and remove the cover side (I/F) 4 . (3) Remove 2 screws 5 and flexible cable 6 to remove the operator panel assy 7 . 5 1 3 2 4 7 6 ...

  • Oki 24DX - page 63

    40930701TH DRAFT Vesion 63 / 3.3.5 Board-FFF (1) Remove the operator panel assy and cover side (I/F). [See 3.3.4] (2) Unscrew 2 screws 1 and remove the cover side (R) 2 . (3) Unscrew 16 screws 3 and remove plate-shield 4 . (4) Unscrew 3 screws 5 and 2 screws 6 , unplug all the connectors 7 , and remove Board-FFF 8 . 3 5 5 6 7 7 7 5 1 2 4 8 ...

  • Oki 24DX - page 64

    40930701TH DRAFT Vesion 64 / 3.3.6 Stacker Assy, Damper Arm, Cover Rear (1) Remove the face-up stacker assy. [See 3.3.1] (2) Remove the cover-side (L). [See 3.3.2 (1)] (3) Remove the OP panel assy. [See 3.3.4] (4) Remove the Board-FFF. [See 3.3.5] (5) Loosen 2 screws, unlock the both sides latches and remove the cover rear A . (6) Unscrew 2 screws ...

  • Oki 24DX - page 65

    40930701TH DRAFT Vesion 65 / 3.3.7 Sensor Stacker Full (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the Stacker assy. [See 3.3.6] (3) Remove four screws 1 . Remove stacker mount 2 by releasing the tabs at position 2A . (4) Remove Sensor stacker full 3 by releasing speading the plastic tabs on each side of s ...

  • Oki 24DX - page 66

    40930701TH DRAFT Vesion 66 / 3.3.8 Cable cover (guide film) (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the stacker Assy. [See 3.3.6] (3) Unscrew 2 screws 1 release tabs at portion 1A . Remove cable cover 2 , guide film 3 . 1 2 3 1A Note: Use care when replacing cable cover. Do not pitch, crimp, or cut cab ...

  • Oki 24DX - page 67

    40930701TH DRAFT Vesion 67 / 3.3.9 Damper (1) Remove the damper arm. [See 3.3.6] (2) Unscrew 2 screws 1 and remove the two damper 2 . 1 2 ...

  • Oki 24DX - page 68

    40930701TH DRAFT Vesion 68 / 3.3.10 Feeder Unit-Front (1) Open the manual feed assy 1 and release both right and left parts by pulling out the engagements on the lower part. (2) Stand the manual feed assy 1 on end and unhook the engagements with both right and left manual feed hopper stays. (3) Remove the OP panel assy. [See 3.3.4] (4) Unscrew 5 sc ...

  • Oki 24DX - page 69

    40930701TH DRAFT Vesion 69 / 3.3.11 Roller Assy-Regist (1) Remove the feeder unit-front. [See 3.3.10] (2) Remove an E-ring 3 , gear assy-clutch 4 , and four screws 1 in this order, and lifting out the roller assy-regist 2 . 1 1 3 2 4 ...

  • Oki 24DX - page 70

    40930701TH DRAFT Vesion 70 / 3.3.12 Motor -Main (1) Remove the stacker assy. [See 3.3.6] (2) Remove the feeder unit-front. [See 3.3.10] (At this point, the manual feed assy has not to be removed.) (3) Remove the DC fan motor. [See 3.3.3] (4) Remove the contact assy. [See 3.3.2] (5) Remove the plate-FG (F) 1 . (6) Remove the TR gear 2 and roller tra ...

  • Oki 24DX - page 71

    40930701TH DRAFT Vesion 71 / 4 4 4 4 7 9 D 1 D 4 4 5 2 3 A 6 0 B C E 8 View A 2 F 3 Latch View A 5 ...

  • Oki 24DX - page 72

    40930701TH DRAFT Vesion 72 / 3.3.13 Guide Assy-Eject (1) Remove the lever back up release. [See 3.3.12(8)] (But the roller transfer/feeder unit front/plate-FG have not be removed) (2) Loosen 2 screws 1 , unlock the both side’s latches and remove the cover rear 2 . [See 3.3.6 (5)] (3) Unlock the latches on both sides of the guide assy-eject 3 and ...

  • Oki 24DX - page 73

    40930701TH DRAFT Vesion 73 / 3.3.14 Heat Assy (1) Remove the cover assy-side (L). [See 3.3.2 (1)] (2) Unplug the connectors 1 , 2 . (3) Unscrew 4 screws 3 and remove the heat assy 4 in the direction of the arrow by lifting the right side first. Note ! • As the heat assy 4 becomes high temperature soon after the power is turned off, start the work ...

  • Oki 24DX - page 74

    40930701TH DRAFT Vesion 74 / 3.3.15 Roller feed (C) (1) Remove the guide assy-eject. (See 3.3.13) (But roller transfer/feeder unit-front/plate-FG(F) have not be removed) (2) Remove the gear roller (C) 1 and bush 2 , warp (a) part of the plate-FG (BK) 3 . Take off the carrier bearing 4 and remove the roller feed (c) 5 in the direction of the arrow. ...

  • Oki 24DX - page 75

    40930701TH DRAFT Vesion 75 / 3.3.16 Roller Assy-BK (1) Remove the heat Assy. [See 3.3.14] (2) Remove the lever back up release. [See 3.3.12 (8)] (3) Unlock the engagement with the plate-FG (BK) 1 and lift out the roller heat assy 2 . 1 2 ...

  • Oki 24DX - page 76

    40930701TH DRAFT Vesion 76 / 3.3.17 Roller Assy-Feed (1) Remove the feeder unit -front. [See 3.3.10] (2) Remove the roller assy-feed 1 by unlocking a latch. 1 ...

  • Oki 24DX - page 77

    40930701TH DRAFT Vesion 77 / 3.3.18 LED Head (1) Remove the stacker assy 1 . [See 3.3.6] (2) Unplug the PC connector 2 and 2 LED cables 3 from the LED head 4 . (3) Open the hooks of the cover stacker 1 in the direction of the arrow and remove the LED head 4 . (4) Pull out the head spring 5 from the post. Note: Don't remove two LED cable 3 from ...

  • Oki 24DX - page 78

    40930701TH DRAFT Vesion 78 / 3.3.19 Paper cassette, ROLLER Ass-Feed, ROLLER-Assy-Hoppibg (1) Pull out the case assy -cassette 1 from the printer. (2) Remove the ROLLER Ass-Feed 2 and remove the ROLLER-Assy-Hopping 3 . 1 2 3 ...

  • Oki 24DX - page 79

    40930701TH DRAFT Vesion 79 / 3.3.20 Frame Assy-Separation (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Pull out the case Assy-Cassette 1 from the printer.[See 3.3.19(1)] (3) Release two locks and remove frame assy-separation 2 . (At this time, coil spring 3 is also remove. Be careful not to lose this spring.) 1 2 ...

  • Oki 24DX - page 80

    40930701TH DRAFT Vesion 80 / 3.3.21 Transfer Roller/TR Gear/TR Bearing (1) Open the stacker cover . (2) Unlock the lock by lifting the TR gear 1 to remove the TR gear 1 and roller transfer 2 . (Use the Holder-TR Eject 5 for the removal.) Note ! Don’t place the removed roller transfer directly on the desk and so on. When placing it, lay a paper an ...

  • Oki 24DX - page 81

    40930701TH DRAFT Vesion 81 / 3.3.22 EP lock shaft (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove Frame-Main [See.3.3.12(7)] (3) Remove screw 1 . Turn EP lock lever (L) Assy 2 in the direction of arrow A . (4) Remove spring 3 . (5) Drop EP lock shaft 4 down and turn in the direction of arrows B and remove it. ...

  • Oki 24DX - page 82

    40930701TH DRAFT Vesion 82 / 3.3.23 LEVER Assy- Out Sensor (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Press the clamp part of LEVER Assy.- Out Sensor 1 . Remove the LEVER Assy.-Out Sensor 1 by pushing it upward from the lower side. 1 1 ...

  • Oki 24DX - page 83

    40930701TH DRAFT Vesion 83 / 3.3.24 Toner sensor lever (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Squeeze the clamp part of toner sensor lever 1 and remove the toner sensor lever 1 by pushing it upward from the lower side. 1 1 ...

  • Oki 24DX - page 84

    40930701TH DRAFT Vesion 84 / 3.3.25 Paper sensor lever (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Squeeze the clamp part of the paper sensor lever 1 and remove the paper sensor lever 1 by pushing it upward from the lower side. 1 1 ...

  • Oki 24DX - page 85

    40930701TH DRAFT Vesion 85 / 3.3.26 Inlet sensor lever (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Squeeze the clamp part of two inlet sensor levers 1 . Remove the inlet sensor levers 1 by pushing them downward. 1 1 1 ...

  • Oki 24DX - page 86

    40930701TH DRAFT Vesion 86 / 3.3.27 Power supply unit (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Unscrew 2 screws 1 and remove the BRACKET-AC 2 . (4) Unscrew 10 screws 3 and remove the connector 6 remove the Power supply unit [AC- DC(120/230V)] 4 and Power supply unit (H ...

  • Oki 24DX - page 87

    40930701TH DRAFT Vesion 87 / 3.3.28 Lever-Paper end & Lever-Paper near end (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove the frame main [See 3.3.12(7)] (3) Remove screw 1 and then remove the PLATE-Base 2 . (4) Remove two Spacer-Cord(KGPS-5RF) 4 and then remove FILM-Insulation 4 . (5) Remove four screws 5 ...

  • Oki 24DX - page 88

    40930701TH DRAFT Vesion 88 / 1 5 5 7 2 3 4 6 8 9 0 A D E F R G H I J K L M N R O P Q Q F B C ...

  • Oki 24DX - page 89

    40930701TH DRAFT Vesion 89 / 3.3.29 Guide Assy-Cassette (L) (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove Frame Main [See 3.3.12(7)] (3) Remove PLATE-Base and FRAME Assy Hopping [See 3.3.28 (5)] (4) Unscrew two screw 1 and then remove Guid Assy-Cassette (L) 2 . (5) Remove SPRING-Sheet 3 and then remove LINK- ...

  • Oki 24DX - page 90

    40930701TH DRAFT Vesion 90 / 3.3.30 Guide Assy-Cassette (R) (1) Turn the AC power switch off. Unplug the AC power cord from the outlet. (2) Remove Frame Main [See 3.3.12(7)] (3) Remove PLATE-Base and FRAME Assy Hopping [See 3.3.28 (5)] (4) Unscrew two screw 1 and then remove Guid Assy-Cassette (R) 2 . (5) Remove SPRING-Sheet 3 and then remove LINK ...

  • Oki 24DX - page 91

    40930701TH DRAFT Vesion 91 / 2 B C D 3 4 5 F H I J L N F 6 7 9 0 1 8 A E G K M E ...

  • Oki 24DX - page 92

    40930701TH DRAFT Vesion 92 / 3.3.31 Removing/Installing Duplex Unit Removing Duplex Unit (1) Power Off and remove the Paper-Cassette from 1st tray. (2) Remove the LEVER-Release (Dup) from the boss of the Hopping Frame. (3) Rotate the LEVER-Lock (Dup) in the direction of the arrow to release the Lock. (4) Pull the Duplex Unit out of the unit. Groove ...

  • Oki 24DX - page 93

    40930701TH DRAFT Vesion 93 / Installing Duplex Unit (1) Hold the LEVER-Lock (Dup) in horizontal lock position. Then insert the Duplex Unit along the groove, up to accord both rear faces between printer and Duplex Unit. Note: Printer and Duplex Unit will connect automatically with built-in connector. (2) Lock the Duplex Unit to the printer by turnin ...

  • Oki 24DX - page 94

    40930701TH DRAFT Vesion 94 / 3.3.32 Board-LEX (1) Remove two LEVER-Lock (DUP) 1 by rotating them in the arrow direction. (2) Unscrews five screws 2 to remove the bracket 3 . (3) Unlatch all the nails and unplug all the connectors 4 to remove the Board-LEX 5 . [ Note : When installing the Board-LEX, install it, positioning earth plate over the PCB.] ...

  • Oki 24DX - page 95

    40930701TH DRAFT Vesion 95 / 3.3.33 Connector (IMSA-9714N-14A) (1) Remove two LEVER-Release (DUP) 1 . (2) Take away two SPRING-Support 2 to remove FRAME-MAIN (DUP) 3 . (Remove the FRAME-MAIN (DUP) by lifting in up from A side) (3) Unscrew two screws 4 to unplug the Connector (IMSA-9714N-14A) 5 . 2 2 1 3 4 4 5 A ...

  • Oki 24DX - page 96

    40930701TH DRAFT Vesion 96 / 3.3.34 Photo Sensor (1) Remove the Frame-Main (DUP) (see section 3.3.2). (2) Release the lock to remove two SPRING-Lock (frame) 1 and two LEVER-Lock Assy 2 . (3) Pull out four SHAFT-Pinch 3 and remove four ROLLER-Pinch 4 and eight SPRING-Pinch (u) 5 . (4) Release the lock to remove two BRACKET-Pinch 6 , and two SPRING-P ...

  • Oki 24DX - page 97

    40930701TH DRAFT Vesion 97 / 3.3.35 SOLENOID Assy (1) Remove the Frame-Main (DUP) (See section 3.3.2). (2) Release the lock to remove Two LEVER Sensor (F/R) 1 and two SPRING-Sensor (F/R) 2 . (3) Unplug the Connection Code-Wire 3 and remove Photo Sensor 4 . (4) Take away the SPRING-SL 5 and two screws 6 to remove SOLENOID Assy 7 . 1 7 6 2 2 6 4 3 5 ...

  • Oki 24DX - page 98

    40930701TH DRAFT Vesion 98 / 3.3.36 Motor (1) Remove the Frame-Main (DUP) (See section 3.3.2). (2) Unscrew two screws 1 to remove PLATE-Earth (F/R) 2 . (3) Unscrew three screws 3 to remove PLATE-Earth (F/R-2) 4 . (4) Disengage the latch to remove the Bearing L 5 , GEAR-Z40S8 6 , Bearing 7 and ROLLER- Feed (RV) 8 . (At this time, Knock Pin 9 can be ...

  • Oki 24DX - page 99

    40930701TH DRAFT Vesion 118 / 5. PERIODIC MAINTENANCE 5.1 Periodic Replacing Part As specified below, the parts shall be replaced periodically. Part name Condition for replacement Cleaning Remarks • Toner cartridge 5,000 • LED head. Consumables • Regist Paper dust. • Image drum cartridge 30,000 • LED head. Consumables • Regist Paper dus ...

  • Oki 24DX - page 100

    40930701TH DRAFT Vesion 119 / Plastic Film 5.2.2 Cleaning the Plastic Film (1) Open the stacker assy and remove I/D unit. (2) After cleaning LED head, wipe off the paper powder by LED LENS CLEANER and remove the paper powder. (3) Take the remove paper powder out of the printer unit in such a way as not to spill it, and then waste it. ...

  • Oki 24DX - page 101

    40930701TH DRAFT Vesion 120 / 6. TROUBLESHOOTING PROCEDURES 6.1 Troubleshooting Tips (1) Check the basic check points covered in the user’s manual. (2) Gather as much information on the problem from the customer as possible. (3) Perform inspections in conditions close to those in which the problem had occurred. 6.2 Points to Check before Correcti ...

  • Oki 24DX - page 102

    40930701TH DRAFT Vesion 121 / Troubles Troubles indicated by LCD message Image troubles (and troubles that are not indicated by LCD message) Perform detailed trouble- shooting with the trouble- shooting chart. See 6.5.2. Perform troubleshooting with the troubleshooting chart. See 6.5.3. Troubleshoot from the LED status message list. See 6.5.1. 6.4 ...

  • Oki 24DX - page 103

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 122 / Daily status Normal operation In the off-line mode, the data is printed by pressing the FORM FEED button. DATA PRESENT.xxx Indicates on-line status tttttt: Tray (TRAY 1, TRAY 2, TRAY3, and FRONT MANUALFEEDER) Tn: Cassette tray (T1; TRAY 1, T2; TRAY 2, T3; TRAY 3) mmm ...

  • Oki 24DX - page 104

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 123 / Indicate that the printer is printing. Indicates that job flush is designated and the state in which data is received and abandoned until the completion of a job. Mean that, in shifting to off line in data-remaining state, if you want to abandon the data being proces ...

  • Oki 24DX - page 105

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 124 / Daily status Replace the toner cartridge. Check the operation of the toner sensor lever. Replace the Power Supply Unit (High Voltage) Replace the main board. Note: When replacing the main board, install the EEPROM mounted on the replaced main board. Repace the image ...

  • Oki 24DX - page 106

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 125 / Daily status PRINT FONTS PRINT DEMO PAGE PRINT MENU Normal operation. Set requested paper to front tray, and press FORM FEED button. Normal operation Normal operation Set requested paper to front tray, and press FORM FEED button. Press FORM FEED button. Prints all th ...

  • Oki 24DX - page 107

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 126 / Daily status Indicates that the face down stacker is full with sheets. Indicates that no paper or paper cassette in a tray. IIndicates that, in an attempt to use the third tray, the first or second tray which is the medium of the path is pulled out. Indicates that, i ...

  • Oki 24DX - page 108

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 127 / ERROR HOST I/F RS232C ERROR PRINT OVERRUN FRONT TRAY ERROR PRESS RECOVERKEY Informs that the data within the receiving buffer Overflows. The operation is continued by pressing Recover switch. The host side should be changed in settings to be able to recognize a print ...

  • Oki 24DX - page 109

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 128 / Informs that, in feeding papers from tray n to the Duplex unit, a jam occurs in the separator or Duplex unit, by monitoring OUTSNS ON ~ DUP INSNS ON. Tray n : Tray1, Tray2, Tray3, Front Multi Feeder Informs that, in feeding papers form n tray to the Duplex unit, a ja ...

  • Oki 24DX - page 110

    Category LCD status message Trouble or status Remedy 40930701TH DRAFT Vesion 129 / Daily status Informs that a jam occurs during paper running after exiting from the tray. Informs that a jam occurs after ejecting a paper. Open the cover and remove the paper inside. Informs that OKI HSP I/F card is under reset. It can be automatically restored by st ...

  • Oki 24DX - page 111

    Category LCD READY ATTENTION Trouble or status Remedy message LED LED 40930701TH DRAFT Vesion 130 / A fault occurred in the printer. Turn the power off, then on to release the error display. If the error display cannot be released by this procedure, call a service person. Code Error (nn) 10 An error was detected by program hash check. 20 An error w ...

  • Oki 24DX - page 112

    Category LCD READY ATTENTION Trouble or status Remedy message LED LED 40930701TH DRAFT Vesion 131 / Code Error (nn) 71 A fault occurred in the fuser. 72 Thermistor open error 73 Thermistor short error 74 SSIO error 77 Toner sensor error 80 I/F timeout occurred between the printer main unit and the operator panel. 81 I/F timeout occurred between the ...

  • Oki 24DX - page 113

    Category LCD READY ATTENTION Trouble or status Remedy message LED LED 40930701TH DRAFT Vesion 132 / An error occurred in the controller. n = ( * 1) Exception Code aaaaaaaa = Error address *1: 1~3 D~F Reserved 4 Address Error Exception (Lead instruction, instruction fetch) 5 Address Error Exception (Store instruction) 6 Bus Error Exception (Instruct ...

  • Oki 24DX - page 114

    40930701TH DRAFT Vesion 133 / 6.5.2 LCD message troubleshooting If troubles are not correctable from the LCD message trouble list, follow the troubleshooting flowcharts given here to deal with them. No. Trouble Flowchart number 1. The printer does not work normally after being turned on. 1 2. Jam error Paper input jam (1st Tray) 2 -1 Paper input ja ...

  • Oki 24DX - page 115

    40930701TH DRAFT Vesion 134 / 1 The printer does not work normally after being turned on. • Is message shown in the LCD display (for less than 1 second)? • No Is the AC cable connected properly? • No Connect the cable properly. ▼ • No Is the message (16 columns ■ display only on the top row ) shown in the LCD display? • Yes Replace th ...

  • Oki 24DX - page 116

    40930701TH DRAFT Vesion 135 / From 1 -2 on the preceding page 1 -1 ▼ • Yes Is the operator panel connected to the Main board properly? • No Connect the operator panel properly. ▼ • Yes Is the connecting cord defective? • Yes Replace the connecting cord. ▼ • No Replace the operator panel assembly. ▼ • Is the printer recovered? ? ...

  • Oki 24DX - page 117

    40930701TH DRAFT Vesion 136 / Figure 6-1 Connector and Pin Location INLET L3 SW1 L4 L N FG Z1 R1 C1 C2 C3 F2 Figure 6-2 Measurement by a Multimeter POWER CONNECTOR Main control board (BOARD-FFF) FRONT 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 ENVELOPE MOTOR 11 2 FAN END LOW 2NDTRAY CLR CLH PANEL IC19 MUPIS A1 C1 A32 C32 1 2 71 72 1 2 71 72 1 2 71 72 CENT R ...

  • Oki 24DX - page 118

    40930701TH DRAFT Vesion 137 / Figure 6-3 Connector and Pin Location CN3 PC501 CN6 CN5 CN2 1 3 F1 F2 1 12 25 26 1 15 15 SW1 SW1 SB DB CB FG CH CL2 TNSNS WRSNS PSIN2 PSIN1 CN7 ...

  • Oki 24DX - page 119

    40930701TH DRAFT Vesion 138 / [JAM error] 2 -1 Paper input jam (1st tray) • Does a jam error occur when the power is turned on? • Yes Is the paper at the inlet sensor lever? • Yes Remove the paper. ▼ • No Does the inlet sensor lever operate smoothly? • No Replace the inlet sensor lever ▼ • Yes Clean the inlet sensor 1 on the Power S ...

  • Oki 24DX - page 120

    40930701TH DRAFT Vesion 139 / 2 -2 Paper input jam (front feeder) • Does jam error occur when the power is turned on? • Yes Is the paper at the inlet sensor lever? • Yes Remove the paper. ▼ • No Does the inlet sensor lever operate smoothly? • No Replace the inlet sensor lever. ▼ • Yes Clean the inlet sensor 1 on the Power Supply Uni ...

  • Oki 24DX - page 121

    40930701TH DRAFT Vesion 140 / 2 -3 Paper feed jam • Does a paper feed jam occur when the power is turned on? • Yes Is the paper on the paper sensor lever? • Yes Remove the paper. ▼ • No Does the paper sensor lever operate smoothly? • No Replace the paper sensor lever. ▼ • Yes Clean the paper sensor. (See Figure 2-3 Sensor Layout Dia ...

  • Oki 24DX - page 122

    40930701TH DRAFT Vesion 141 / From on the preceding page B . From on the preceding page A . ▼ • Yes Is the image drum set properly? • No Set the image drum properly. ▼ • Yes In case of paper feed from the front feeder, check the hopping roller of the front feeder assembly. In case of paper feed from the tray, check the hopping roller asse ...

  • Oki 24DX - page 123

    40930701TH DRAFT Vesion 142 / From on the preceding page A . ▼ • No Is the transfer roller rotating smoothly? • No Is there any defective gear of the transfer roller? • Yes Replace the defective gear. ▼ • No Replace the transfer roller. ▼ • No Is the fuser unit installed properly? • No Install the fuser unit properly. ▼ • No I ...

  • Oki 24DX - page 124

    40930701TH DRAFT Vesion 143 / 2 -4 Paper exit jam • Does a paper exit jam error occur when the power is turned on? • YES Is the paper on the outlet sensor lever? • Yes Remove the paper ▼ • No Does the outlet sensor lever operate smoothly? • No Replace the outlet sensor lever. ▼ • Yes Clean the outlet sensor on the Power Supply Unit ...

  • Oki 24DX - page 125

    40930701TH DRAFT Vesion 144 / 2 -5 Duplex INPUT JAM • Is the leading edge of paper is fed in the Duplex unit? • Yes Has the leading edge of paper reached the Duplex In sensor • Yes Is the Duplex In sensor lever operating normally? • Yes Is the connection cord between the Duplex In sensor and the Board-LEX connected properly? • Yes Does th ...

  • Oki 24DX - page 126

    40930701TH DRAFT Vesion 145 / 2 -6 Duplex FEED JAM1 • Is there a paper on the Duplex In sensor lever? • No Is the Duplex In sensor operating normally? • Yes Is the connection cord between the Duplex In sensor and the Board- LEX connected properly? • Yes Does the connection cord have a break? • Yes Replace the connection cord (Connection C ...

  • Oki 24DX - page 127

    40930701TH DRAFT Vesion 146 / 2 -8 Duplex FEED JAM 3 • Has a paper reached the Duplex Front sensor? • No Is the connection cord between the clutch and the Board-LEX properly? • Yes Replace the GEAR Assy. • YES END • No Replace the Board-LEX. ▼ • No Connect the connection cord properly. ▼ • Yes Is the Duplex Front sensor lever oper ...

  • Oki 24DX - page 128

    40930701TH DRAFT Vesion 147 / 3 Paper size error • Is paper of the specified size used? • No Use paper of the specified size. ▼ • Yes Do the inlet sensor lever and paper width sensor lever operate smoothly? • No Replace the inlet sensor lever or paper width sensor lever. ▼ • Is the printer recovered? • No Clean the inlet sensor 1 or ...

  • Oki 24DX - page 129

    40930701TH DRAFT Vesion 148 / 4 Fuser unit error (ERROR 71), (ERROR 72), (ERROR 73) • Turn the power OFF/ON. ▼ • Does a fuser unit error occur immediately? • Yes Is the thermistor open or shorted? Measure the resistance between thermistor contacts. (About 220 k Ω at room temperature, 25 ° C) (See Chapter 7.3 for the measuring points.) ? ...

  • Oki 24DX - page 130

    40930701TH DRAFT Vesion 149 / From on the preceding page A . From on the preceding page B . • Yes Replace the fuser unit. ▼ • Is the printer recovered? • No Replace the Main board. ▼ • YES END. ▼ • No Is the heater or thermistor open? Measure the resistance between the thermistor contacts, and between heater contacts (normal resista ...

  • Oki 24DX - page 131

    40930701TH DRAFT Vesion 150 / 7 I/F time-out occurs between the printer and the operator panel (ERROR 80) . • Is the connecting cord of the operator panel connected to the PANEL connector of the Main board properly? (See Chapter 7.1.) • No Connect the connecting cord of the operating panel to the PANEL connector of the Main board properly. ▼ ...

  • Oki 24DX - page 132

    40930701TH DRAFT Vesion 151 / 8 Message cannot be received through the parallel interface. • Is the parallel I/F ENABLE in "HOST I/F" item of Menu 1. • No Set the Parallel I/F to "ENABLE". ▼ • Yes Is the host set to the bidirectional communication? • Yes Set the parallel I/F to the bidirectional communication enable st ...

  • Oki 24DX - page 133

    40930701TH DRAFT Vesion 152 / 9 Message cannot be received through the serial interface. • Is message ERROR HOST I/F displayed ? • Yes Set the RS 232C I/F ENABLE in "HOST I/F" items of Menu 1. • No Set the RS 232C I/F to "ENABLE". ▼ • No Do the following items selected for RS232C SERIAL in menu level 2 coincide with th ...

  • Oki 24DX - page 134

    40930701TH DRAFT Vesion 153 / 0 Data cannot be received through the OKI HSP interface • Is the interface board (option) connected to the OKI HSP interface connector on the Main board properly? • No Connect the interface board (option) to the OKI HSP interface connector properly. ▼ • Yes Is there any broken or bent pin in the interface board ...

  • Oki 24DX - page 135

    40930701TH DRAFT Vesion 154 / 6.5.3 Image troubleshooting Procedures for troubleshooting if abnormal images have been printed out are explained below. Figure 6-3 below shows typical abnormal images. Trouble Flowchart number Images are light or blurred as a whole (Figure 6-4, A ) 1 Dark background density (Figure 6-4, B ) 2 Blank paper is output (Fi ...

  • Oki 24DX - page 136

    40930701TH DRAFT Vesion 155 / 1 Image are light or blurred a whole. • Is toner low? (Is the TONER LOW message displayed?) • Yes Supply toner. ▼ • No Is paper of the specified grade used? • No Use paper of the specified grade. ▼ • Yes Is the lens surface of the LED head dirty? • Yes Clean the lens. ▼ • No Is the LED head installe ...

  • Oki 24DX - page 137

    40930701TH DRAFT Vesion 156 / 2 Dark background density • Has the image drum been exposed to external light? • Yes Mount the image drum in the printer and wait for about 30 minutes. ▼ • No Is the heat roller of the fusing unit dirty? • Yes Clean the heat roller. ▼ • No Is the contact of the cleaning roller of the image drum cartridge ...

  • Oki 24DX - page 138

    40930701TH DRAFT Vesion 157 / 4 Black belts or stripes in the vertical direction • Replace the image drum cartridge. • Has the trouble been removed? • YES END Note: After replacing the image drum cartridge, set the printer in the user maintenance mode by turning the power on while pressing the MENU key, and reset the drum counter, (Refer to U ...

  • Oki 24DX - page 139

    40930701TH DRAFT Vesion 158 / 5 Cyclic error Frequency Remedy Image drum 3.71” (94.2 mm) Replace or clean the image drum cartridge. Developing roller 2.05” (52.1 mm) Replace the image drum cartridge. Toner supply roller 3.24” (82.24 mm) Replace the image drum cartridge. Charging roller 1.37” (34.7 mm) Replace the image drum cartridge. Clean ...

  • Oki 24DX - page 140

    40930701TH DRAFT Vesion 159 / 6 Print voids • Is the contact plate of the transfer roller contacted with the Power Supply Unit (High Voltage) properly? (See Figure 6-5.) • No Adjust the contact plate contact to contact the Power Supply Unit (High Volt- age) properly and the shaft of the transfer roller. ▼ • Yes Replace the transfer roller. ...

  • Oki 24DX - page 141

    40930701TH DRAFT Vesion 160 / 7 Poor fusing • Is paper of the specified grade used? • No Use paper of the specified grade. ▼ • Yes Is the spring of the back-up roller normal? • No Replace the spring. ▼ • Yes Is the contact of the fusing unit assy contacted with the contact assy properly? • No Adjust the contact of the fusing unit as ...

  • Oki 24DX - page 142

    40930701TH DRAFT Vesion 161 / 8 White belts or streaks in the vertical direction • Are the LED lens dirty? • Yes Clean the LED lens. ▼ • No Is the contact plate of the transfer roller contacted with the Power Supply Unit (High Voltage) properly? (See Figure 6-6.) • No Make the contact plate contact with the Power Supply Unit (High Voltage ...

  • Oki 24DX - page 143

    40930701TH DRAFT Vesion 162 / 9 Snowy print of high density pattern • Is toner low? • Yes Supply toner. ▼ • No Is paper of the specified grade used? • No Use paper of the specified grade. ▼ • Yes Is the lens of the LED head dirty? • Yes Clear the lens. ▼ • No Is the LED head installed properly? • No Install the LED head proper ...

  • Oki 24DX - page 144

    40930701TH DRAFT Vesion 163 / Figure 6-5 Charge Roller Developing Roller Cleaning Roller Toner Supply Roller Ground E C D A B ...

  • Oki 24DX - page 145

    40930701TH DRAFT Vesion 164 / Figure 6-6 ...

  • Oki 24DX - page 146

    40930701TH DRAFT Vesion 165 / 7. WIRING DIAGRAM 7.1 Interconnect Signal Diagram HOME SENSOR FRONT PAPER SENSOR HOPPING MOTOR BOARD-PCO 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FG 0VP 0VP 0VP 0VP GND 3V 3V 3V 3V 3V 3V STB4 STB3 STB2 STB1 LD 5V DATA1 DATA0 0VP DATA3 DATA2 GND CLK GND 3 2 1 STKFULL GND 5V 1 2 3 4 5 6 7 8 9 10 11 12 ...

  • Oki 24DX - page 147

    40930701TH DRAFT Vesion 166 / BOARD-LEX to Printer Unit DUPLEX 12P SL 2P INSENS 3P FSENS 4P CL 2P CLUTCH 2 1 38V GND 38V GND SOLENOID INLET SENSOR FRONT SENSOR 1 2 GND DUPINSENS 5V 1 2 3 1 2 3 GND PAPERLOW 5V PH1N PH1P PH2N PH2P 38V GND GND 5V GND GND OUTSNS CLK DATA INSNS SDR PAPERSNS 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 MAIN MOTOR MOTOR 4P ...

  • Oki 24DX - page 148

    40930701TH DRAFT Vesion 167 / 7.2 PCB Layout (1) Main board (BOARD-FFF) FRONT 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 ENVELOPE MOTOR 11 2 FAN END LOW 2NDTRAY CLR CLH PANEL IC19 MUPIS A1 C1 A32 C32 1 2 71 72 1 2 71 72 1 2 71 72 CENT RS232C 1 14 13 25 18 36 11 19 FSIMM1 SIMM1 SIMM2 STKFULL HEAD2 HEAD1 DUP POWER SIZE 1 2 1 2 25 26 5 6 11 2 12 11 2 1 13 14 1 ...

  • Oki 24DX - page 149

    40930701TH DRAFT Vesion 168 / (2) Power supply board (AC120V/230V) (3) Power supply board (High voltage) CN3 PC501 CN6 CN5 CN2 1 3 F1 F2 SW1 SW1 SB DB CB FG CH CL2 TNSNS WRSNS PSIN2 PSIN1 CN7 ...

  • Oki 24DX - page 150

    40930701TH DRAFT Vesion 169 / (4) LEX-PCB ROM CPU 1 4 14 13 1 1 CLUTCH FSENS INSENS SL2 1 18 12 1 MAIN Motor driver Rear Sensor (5) Flash ROM module (BOARD-FSL or BOARD-FSL-2) ROM1 ROM0 EEPROM ...

  • Oki 24DX - page 151

    40930701TH DRAFT Vesion 170 / M 1 2 3 4 3 4 1 2 Thermostat to "CN2" connector on the Power Supply Unit (AC120V or 230V) to "CN8" connector on the Power Supply Unit (High Voltage) Heater Thermistor Unit Circuit Diagram Illustration Resistance Between pins 1 and 2: 3.1 Ω Between pins 3 and 4: 3.1 Ω Between pins 1 and 2: 220k ? ...

  • Oki 24DX - page 152

    40930701TH DRAFT Vesion 171 / Orange Yellow Brown Black M 1 2 3 4 Unit Circuit Diagram Illustration Resistance Between pins 1 and 2: 6.7 Ω Between pins 3 and 4: 6.7 Ω Hopping motor Fan Red Black +38 V 1 FANALM-N 3 0 V 2 M Yellow ...

  • Oki 24DX - page 153

    40930701TH DRAFT Vesion 172 / 7.4 Program/Font ROM Location (1) In case of EP ROM or OTP ROM 40439501 40439601 40439701 40439801 Note Note: short plug (TA1) setting setting: 1pin–2pin TA1 3 pin 1 pin FRONT 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 ENVELOPE MOTOR 11 2 FAN END LOW 2NDTRAY CLR CLH PANEL IC19 MUPIS A1 C1 A32 C32 1 2 71 72 1 2 71 72 1 2 71 72 ...

  • Oki 24DX - page 154

    40930701TH DRAFT Vesion 173 / (2) In case of MASK ROM FRONT 9 1 7 1 7 14 13 11 2 13 4 1 2 5 6 ENVELOPE MOTOR 11 2 FAN END LOW 2NDTRAY CLR CLH PANEL IC19 MUPIS A1 C1 A32 C32 1 2 71 72 1 2 71 72 1 2 71 72 CENT RS232C 1 14 13 25 18 36 11 19 FSIMM1 SIMM1 SIMM2 STKFULL HEAD2 HEAD1 DUP POWER SIZE 1 2 1 2 25 26 5 6 11 2 12 11 2 1 13 14 1 2 13 IC7 IC8 IC30 ...

  • Oki 24DX - page 155

    40930701TH DRAFT Vesion 174 / 8. PARTS LIST Figure 8-1 Printer Unit 7 8 4 5 9 11 12 3 19 20 18 2 10 16 15 1 23 14 13 21 22 6 17 ...

  • Oki 24DX - page 156

    40930701TH DRAFT Vesion 175 / Table 8-1 Printer Unit No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Remarks # # # # # # # # # # # # # # # # # Without ROM # Flash ROM module(4MB) Flash ROM module(8MB) PS ROM module # Q'ty/U 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Parts No. 40441001 40304101 40304401 40304301 40323 ...

  • Oki 24DX - page 157

    40930701TH DRAFT Vesion 176 / Figure 8-2 Frame-Main Unit 65 52 64 25 23 68 8 66 24 53 51 6 6 7 19 20 22 21 11 18 3 17 25 47 7 14 13 15 20 44 48 39 29 50 33 32 30 34 49 43 40 10 9 10 9 1 28 26 41 42 36 35 31 27 45 37 38 12 5 16 2 63 57 62 58 56 55 56 61 59 67 54 ...

  • Oki 24DX - page 158

    40930701TH DRAFT Vesion 177 / Table 8-2 Frame-Main Unit (1/2) No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Remarks For Maintenance # # # # # # # # # # # # # # # # # # # # # Q'ty/U 1 1 2 1 2 2 1 2 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Parts No. 40596901 4LB-192600-6 4PB4083-61 ...

  • Oki 24DX - page 159

    40930701TH DRAFT Vesion 178 / Table 8-2 Frame-Main Unit (2/2) No. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Remarks # # # # # # # # # # # # # # # # # # # # # # # # # Q'ty/U 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 Parts No. 40299501 40299601 40302301 40313501 ...

  • Oki 24DX - page 160

    40930701TH DRAFT Vesion 179 / Figure 8-3 Base Unit 52 51 53 54 9 8 1 10 2 19 22 5 17 48 14 8 5 15 13 16 48 11 6 9 3 18 43 46 28 27 20 21 29 42 41 45 44 24 35 34 40 30 48 39 47 37 36 38 26 36 27 31 18 50 50 49 3 7 6 4 25 32 33 31 23 ...

  • Oki 24DX - page 161

    40930701TH DRAFT Vesion 180 / Table 8-3 Base Unit (1/2) No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Remarks # # For Maintenance # # # # # # For Maintenance # # # To 2nd Tray # # # # To Duplex # # # For Maintenance # # # # # # # # # Q'ty/U 1 1 2 1 2 2 2 2 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 ...

  • Oki 24DX - page 162

    40930701TH DRAFT Vesion 181 / No. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Remarks # To Paper End # To Paper Near End # # # # # # # # # # # # # ODA (120V) # ODA(230V)/OEL/INT # # Q'ty/U 2 1 1 1 1 1 1 1 1 1 1 1 3 1 2 1 1 1 1 1 1 Parts No. 4YB4120-1137P001 40375202 40375302 40337301 40337601 40433701 40358101 40317701 40367101 ...

  • Oki 24DX - page 163

    40930701TH DRAFT Vesion 182 / Figure 8-4 Duplex Unit 22 29 30 47 46 44 38 36 37 27 25 28 27 25 24 42 25 14 35 19 44 21 20 33 34 33 34 41 32 31 40 4 5 2 2 4 49 5 11 9 9 10 1 45 43 12 13 17 43 15 16 6 18 7 2 8 18 7 2 8 45 6 14 4 5 5 4 3 3 26 41 23 39 ...

  • Oki 24DX - page 164

    40930701TH DRAFT Vesion 183 / Table 8-4 Duplex Unit (1/2) No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Remarks # # # # # # # # # # # # # # # # To IN Sensor # # # # # # # # # # # # # To Front Sensor Q'ty/U 1 6 4 4 4 2 2 2 2 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 3 1 2 1 1 1 1 1 2 2 1 Parts No. 40658 ...

  • Oki 24DX - page 165

    40930701TH DRAFT Vesion 184 / Table 8-4 Duplex Unit (2/2) No. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 Remarks # # # # # # Color : Black # # # Without ROM # # # Q'ty/U 1 1 1 1 1 2 1 2 2 2 1 1 1 1 Parts No. 40483401 40395501 40382601 40322901 40382801 NK2-12SUS RE4-SK 40339102 40338601 40393701 40495804 40942601 40318201 40382701 Name SOLENOID ...

  • Oki 24DX - page 166

    40930701TH DRAFT Vesion 185 / Appendix A CENTRONICS PARALLEL INTERFACE 1) Connector • Printer side : 36-pin receptacle Type 57RE-40360-830B-D29 (made by DDK) or equivalent • Cable side : 36-pin plug Type 57-30360 (made by DDK) or equivalent 2) Cable • Cable length : 6 ft (1.8 m) max. (a shielded cable composed of twisted pair wires is recomme ...

  • Oki 24DX - page 167

    40930701TH DRAFT Vesion 186 / 4) Signal level • LOW : 0 V to +0.8 V • HIGH : +2.4 V to 5.0 V 5) Interface circuit a) Receiving circuit DATA STROBE and INPUT PRIME DATA BIT-1 to 8 b) Sending circuit C R2 R1 +5V 74LS19 or equivalent Signal name R1 R2 DATA STROBE INPUT PRIME 3.3K Ω 3.3K Ω C 100 Ω 1K Ω 560pF 0.001 µ F R3=3.3K Ω R3 +5V 74 ...

  • Oki 24DX - page 168

    40930701TH DRAFT Vesion 187 / 6) Timing charts ■ Compatible mode a) Data receiving timing b) On-line → off-line switching timing by ON-LINE SW c) Off-line → on-line switching timing by ON-LINE SW PARALLEL DATA (DATA BITs 1 to 8) DATA STOROBE ACKNOWLEDGE BUSY 0.5 µ s min. 0.5 µ s min. 0.5 µ s min. 0.5 µ s max. 0.5 µ s min. 0 min. 0 min. 0 ...

  • Oki 24DX - page 169

    40930701TH DRAFT Vesion 188 / d) INPUT PRIME timing (when set to the effective INPUT PRIME signal) INPUT. PRIME SELECT ACKNOWLEDGE BUSY 0 min. 50 µ s min. 5 µ s max. 10 µ s max. 0.5 µ s to 10 ms ■ Nibble Mode Conforms to IEEE 1284 spec. ■ ECP Mode Conforms to IEEE 1284 spec. ...

  • Oki 24DX - page 170

    40930701TH DRAFT Vesion 189 / Appendix B RS-232C SERIAL INTERFACE 1) Connector • Printer side : 25-pin receptacle Type 17LE-13250-27 (D4CC) (made by DDK) or equivalent • Cable side : 25-pin plug Type 17JE-23250-02 (D8C) (made by DDK) Note: Plug shall be able to be fixed with a lock screw. 2) Cable • Cable length: 6 ft (1.8m) max. (Cable shall ...

  • Oki 24DX - page 171

    40930701TH DRAFT Vesion 190 / 5) Interface circuit a) Receiving circuit b) Sending circuit Note: The above signal level is for the case where 3K Ω x 15pF is being connected to the terminal. 6) Communications protocol a) READY/BUSY protocol b) X-ON/X-OFF protocol 75189 or equivalent INPUT OUTPUT +3V -3V INPUT +12V -12V 75188 or equivalent INPUT OU ...

  • Oki 24DX - page 172

    40930701TH DRAFT Vesion 191 / Appendix C SECOND/ THIRD PAPER FEEDER MAINTENANCE 1. OUTLINE 1.1 Functions This high capacity second/ third paper feeder, which is located under the printer, rotates the hopping motor according to the signal from the printer to supply papers to the printer automati- cally. The main functions are as followings: • Appl ...

  • Oki 24DX - page 173

    40930701TH DRAFT Vesion 192 / 2. DESCRIPTION OF OPERARTION 2.1 Driving Mechanism The high-capacity second/ third paper feeder only a top paper which is set in the cassette by a signal from the printer. (1) Second paper feeder as an example is shown. First of all, the hopping motor rotates in the direction of arrow A. Roller C rotates by way of idle ...

  • Oki 24DX - page 174

    40930701TH DRAFT Vesion 193 / A B A' B' E' H' I' L F' E H I F "Paper" "Paper" Gear O (Engaging to gear P or planetary gear G) Gear J ( for timing belt) Roller K Gear J' Roller K' Gear N (for timing belt) Roller C Roller C' Hopping roller gear Hopping roller gear Planetary gear D Plane ...

  • Oki 24DX - page 175

    40930701TH DRAFT Vesion 194 / 2.2 Hopper Mechanism The hopper is a motion where papers are automatically sent into the printer one by one. When papers are set to the cassette, the feeding motion is activated by the hopping motor to send only a top paper which is caught on the brake shoe. Roller feeder Hopping Roller Hopping Roller Sub Roller Sub Ro ...

  • Oki 24DX - page 176

    40930701TH DRAFT Vesion 195 / 3. PARTS REPLACEMENT In this section, the removing and installing procedure of assembly and unit in field are described. Although this section describes the removing procedure, the installing procedure is basically to conduct the removing one in reverse. 3.1 Precautions Concerning Parts Replacement (1) Parts replacemen ...

  • Oki 24DX - page 177

    40930701TH DRAFT Vesion 196 / [Service Tools] Table 3-1 shows the tools required for the replacement of printed circuit boards and units in the field. Table 3-1 Service Tools No. 1-100 Philips screwdriver No. 2-100 Philips screwdriver No. 3-100 screwdriver No. 5-200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P/N: 4PP4 ...

  • Oki 24DX - page 178

    40930701TH DRAFT Vesion 197 / 3.2 Parts Layout This section describes the layout of the main components. Roller assy feed Roller assy hopping Cover front assy Board BBB Case assy cassette Frame side(R) assy Frame side(L) assy ...

  • Oki 24DX - page 179

    40930701TH DRAFT Vesion 198 / 3.3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below. High Capacity Second / ThirdPaper Feeder Roller assy hopping, Roller assy feed (3.3.1) Cover front assy (3.3.2) Board-BBB (3.3.3) Lever paper end, Lever paper near end (3. ...

  • Oki 24DX - page 180

    40930701TH DRAFT Vesion 199 / 3.3.1 Roller assy hopping, Roller assy feed (1) Remove the Case assy cassette 1 . (2) Disengage latchs to remove the Roller assy hopping 2 . (3) Disengage latchs to remove the Roller assy feed 3 . 1 2 3 ...

  • Oki 24DX - page 181

    40930701TH DRAFT Vesion 200 / 3.3.2 Cover front assy (1) Unscrew two screws 1 to remove the Cover front assy 2 . 1 1 2 ...

  • Oki 24DX - page 182

    40930701TH DRAFT Vesion 201 / 3.3.3 Board-BBB (1) Unscrew a screw 1 to remove the PCB cover bracket 2 . (2) Take away all connectors 3 and three screws 4 to remove the Board-BBB 5 . 1 2 4 3 3 4 5 3 ...

  • Oki 24DX - page 183

    40930701TH DRAFT Vesion 202 / 3.3.4 Lever paper end, Lever paper near end (1) Unscrew five screws 1 to remove roller cover bracket 2 and PLATE-Earth (L) 3 . (2) Disengage latches to remove the Lever paper end 4 and Lever paper near end 5 . 1 1 2 4 5 ...

  • Oki 24DX - page 184

    40930701TH DRAFT Vesion 203 / 3.3.5 Motor (1) Remove the Cover front assy (See section 3.3.2). (2) Remove the PCB cover bracket (See section 3.3.3). (3) Remove the roller cover bracket (See section 3.3.4). (4) Unscrew seven screws 1 to remove the bottom bracket 2 . (5) Unscrew five screws 3 to remove the Frame side (L) assy 4 and Frame side (R) 5 . ...

  • Oki 24DX - page 185

    40930701TH DRAFT Vesion 204 / 3.3.6 Connector (IMSA-9714N-14B), Connector (IMSA-9714N-14A) (1) Remove the Motor (See section 3.3.5). (2) Unscrew two screws 1 to remove Connector (IMSA-9714N-14B) 2 and Plate-Earth (FR) 4 . (3) Unscrew two screws 4 to remove the connector (IMSA-9714N-14A) 5 . 1 2 3 4 5 ...

  • Oki 24DX - page 186

    40930701TH DRAFT Vesion 205 / 3.3.7 Frange pulley, pulley Idle, Mini pitch belt, Plate Earth shaft, Gear double, Tray switch assy (1) Remove the Motor (See section 3.3.5). (2) Remove the Connector (See section 3.3.6). (3) Unscrew two screws 1 to remove the motor bracket 2 . (At this time, the Mini pitch belt 3 and Gear double 4 can be removed simul ...

  • Oki 24DX - page 187

    40930701TH DRAFT Vesion 206 / 3.3.8 Roller feed (1) Remove the Motor (See section 3.3.5). (2) Remove the Connector (See section 3.3.6). (3) Remove the motor bracket (See section 3.3.7). (4) Disengage latchs to remove the Feeding bearing 1 . (5) Disengage latchs to remove the Pulley feed 2 . (At this time, the Gear feed 3 and Bush 4 can be removed s ...

  • Oki 24DX - page 188

    40930701TH DRAFT Vesion 207 / 3.3.9 Bracket sub roller (1) Remove the Roller assy hopping and Roller assy feed. (See section 3.3.1). (2) Remove the Roller feed (See section 3.3.8). (3) Unscrew a screw 1 to remove the Bracket joint 2 , Spring joint 3 and Gear joint 4 . (4) Take away the E-ring 5 to remove the Gear hopping 6 . (5) Disengage latchs to ...

  • Oki 24DX - page 189

    40930701TH DRAFT Vesion 208 / 3.3.10 Frame side (L) assy (1) Remove the Frame side (L) assy (See section 3.3.5). (2) Remove the Plate Earth (BL) 1 . (3) Take away the Spring 2 to remove the Cassette stopper 3 . (4) Take away the Spring sheet 4 to remove the Pull block 5 . (At this time, Lever link 6 can be removed simultaneously.) (5) Unscrew a scr ...

  • Oki 24DX - page 190

    40930701TH DRAFT Vesion 209 / 3.3.11 Frame side (R) assy (1) Remove the Frame side (R) assy (See section 3.3.5). (2) Remove the Plate Earth (BR) 1 . (3) Take away the Spring 2 to remove the Cassette stopper 3 . (4) Take away the Spring sheet 4 to remove the Pull block 5 . (At this time, Lever link 6 can be removed simultaneously.) (5) Unscrew a scr ...

  • Oki 24DX - page 191

    40930701TH DRAFT Vesion 210 / 4. TROUBLESHOOTING 4.1 Precautions Prior to the Troubleshooting (1) Go through the basic checking items provided in the Operator Guide. (2) Obtain detailed information concerning the problem from the user. (3) Go through the checking in the conditions similar to that in which the problem occurred. 4.2 Preparations for ...

  • Oki 24DX - page 192

    40930701TH DRAFT Vesion 211 / 4.3 Troubleshooting Method When a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs Carry out detailed troubleshooting according to the Troubleshooting Flow (see 4.3.2) Troubleshooting according to the LCD Status Message List (see 4.3.1) Problem displayed by the LCD mes ...

  • Oki 24DX - page 193

    40930701TH DRAFT Vesion 212 / 4.3.2 Troubleshooting Flow • ( JAM error ) Paper Input Jam • Does paper jam at the inlet when the power is turned on? • YES Is the paper located above the inlet sensor lever? • YES Remove the paper. ▼ • NO Is the inlet sensor lever operating normally? • NO Replace the inlet sensor lever. ▼ • YES Clean ...

  • Oki 24DX - page 194

    40930701TH DRAFT Vesion 213 / 5. CONNECTION DIAGRAM 5.1 Interconnection Diagram BOARD-BBB to PRINTER UNIT / 2nd TRAY 2nd tray/ 3rd tray auto setting switch to 3rd TRAY TRAY 6P SW SIZE 6P MAIN2 7P MAIN1 7P MOTOR 4P HOPPING MOTOR PH1N PH1P PH2N PH2P 1 2 3 4 7P 7P CN11 6P BOARD-PXC INSENS CLK DATA SDR GND +38V +5V 1P 2P 3P 4P 5P 6P 7P +5V +38V GND SDR ...

  • Oki 24DX - page 195

    40930701TH DRAFT Vesion 214 / 5.2 PCB Layout BBB-PCB 2 1 6 5 2 1 TRAY 1 14 7 17 MOTOR IC2 IC3 IC1 CPU SIZE LOW END Paper near end sensor Motor driver Paper end sensor ...

  • Oki 24DX - page 196

    40930701TH DRAFT Vesion 215 / 6. PARTS LIST 57 12 63 8 13(Included 2-9) 31 8 6 7 17 25 24 61 66 16 20 62 23 22 45 65 52 51 26 48 49 36 36 39 37 53 33 40 41 47 54 60 43 44 46 32 34 56 55 42 35 45 30 27 19 29 31 38 28 1 64 7 8 9 3 10 5 4 11 9 2(Included 2-9) 6 30 50 21 14 11 9 9 5 15 58 59 ...

  • Oki 24DX - page 197

    40930701TH DRAFT Vesion 216 / Table 6-1 High Capacity Second/ Third Paper Feeder (1/2) No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Remarks # # For Maintenance # # # # # For Maintenance # # # # # # # # # # To Printer or 2nd Tray # To 3rd Tray # # # # # # # Q'ty/U 1 1 2 1 2 2 2 2 4 1 2 1 1 ...

  • Oki 24DX - page 198

    40930701TH DRAFT Vesion 217 / Table 6-1 High Capacity Second/ Third Paper Feeder (2/2) No. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Remarks # # # # # # # # # # # # # # # # To 3rd Tray # # # # # # # # # # # To Printer or 2nd Tray Q'ty/U 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

  • Oki 24DX - page 199

    40930701TH DRAFT Vesion 218 / Appendix D MULTI FEEDER MAINTENANCE 1. OUTLINE 1.1 Functions This Multi Feeder is installed on the front section of the printer, and it supplies paper automatically through the operation of hopping motor, which is driven by signals sent from the printer. The main functions are the followings: • Paper that can be used ...

  • Oki 24DX - page 200

    40930701TH DRAFT Vesion 219 / 2. MECHANISM DESCRIPTION 2.1 General Mechanism The sheet (or envelope) at the very bottom of the stack is fed into the printer, one at a time, when the Multi Feeder receives the signal from the printer. (1) First, the hopping motor rotates in the direction of arrow D. The planet gear F moves to the direction of arrow G ...

  • Oki 24DX - page 201

    40930701TH DRAFT Vesion 220 / 3. PARTS REPLACEMENT This section covers the procedures for the disassembly, reassembly and installations in the field. This section describes the disassembly procedures, and for reassembly procedures, basically proceed with the disassembly procedures in the reverse order. 3.1 Precautions Concerning Parts Replacement ( ...

  • Oki 24DX - page 202

    40930701TH DRAFT Vesion 221 / No. 1-100 Philips screwdriver No. 2-100 Philips screwdriver No. 3-100 screwdriver No. 5-200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P/N: 4PP4076-5395P1 2~2.5 mm screws 3~5 mm screws 1 1 1 1 1 1 1 1 No. Service Tools Q'ty Place of use Remarks 1 2 3 4 5 6 7 8 [Service Tools] Table 3 ...

  • Oki 24DX - page 203

    40930701TH DRAFT Vesion 222 / 3.2 Parts Layout This section describes the layout of the main components. Separator Sensor lever Roller (B) Roller (A) Planet gear Control board (AOLE-PCB) Hopping motor Hopping cover Upper cover ...

  • Oki 24DX - page 204

    40930701TH DRAFT Vesion 223 / 3.3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below. Multi Feeder Separator (3.3.1) AOLE-PCB (3.3.2) Square-shaped connector (3.3.3) Hopping motor (3.3.4) Planet gear (3.3.5) Roller B (3.3.6) Roller A (3.3.7) Mini pitch belt ...

  • Oki 24DX - page 205

    40930701TH DRAFT Vesion 224 / 3.3.1 Separator (1) Turn the printer power off and remove the Multi Feeder. (2) Disengage the link and hopper cover. (3) Remove two screws 1 , disengage two locks of the upper cover 2 using a flat-head screwdriver, and remove the upper cover 2 . (4) Remove two pan-head screws 3 and remove the cover frame 4 . (5) Diseng ...

  • Oki 24DX - page 206

    40930701TH DRAFT Vesion 225 / 3.3.2 AOLE-PCB (1) Remove the upper cover (see 3.1.1 (1) to (3)). (2) Remove two screws 1 and remove the AOLE-PCB 2 . (3) Remove the connector 3 . (4) Remove the connector 4 . Caution: Be careful to set the sensor plate properly when mounting AOLE-PCB. 2 2 3 1 4 Sensor plate ...

  • Oki 24DX - page 207

    40930701TH DRAFT Vesion 226 / 3.3.3 Square-shaped connector (1) Remove the upper cover and remove the cover frame 5 (see 3.3.1 (1) to (4)). (2) Remove the AOLE-PCB (see 3.3.2). (3) Remove the screw 1 and remove the square-shaped connector 2 . (4) Using the connector remover, remove the nylon cord 3 from the square-shaped connector 2 . 5 1 4 2 3 [Co ...

  • Oki 24DX - page 208

    40930701TH DRAFT Vesion 227 / 3.3.4 Hopping Motor (1) Remove the upper cover (see 3.3.1 (1) to (3)). (2) Remove the AOLE-PCB. (see 3.3.2) (3) Remove two screws 1 , then remove the hopping motor 2 . 2 1 ...

  • Oki 24DX - page 209

    40930701TH DRAFT Vesion 228 / 3.3.5 Planet gear (1) Remove the upper cover (see 3.3.1 (1) to (3)). (2) Remove the AOLE-PCB (see 3.3.2). (3) Remove two screws 1 , then remove the motor bracket assy 2 and the planet gear 3 . 3 2 1 ...

  • Oki 24DX - page 210

    40930701TH DRAFT Vesion 229 / 3.3.6 Roller B (1) Remove the upper cover (see 3.3.1 (1) to (3)). (2) Disengage the plate and frame (on both sides). (3) Remove the separator assy (see 3.3.1 (4) to (5)). (4) Remove the AOLE-PCB (see 3.3.2). (5) Remove the motor bracket assy (see 3.3.5). (6) Remove the gear 1 . (7) Shift the roller B 2 to the right, li ...

  • Oki 24DX - page 211

    40930701TH DRAFT Vesion 230 / 3.3.7 Roller A (1) Remove the motor bracket assy (see 3.3.5). (2) Remove two gears 1 and then another gear 2 . (3) Disengage the plate 3 and the frame 4 . (4) Remove four screws 5 and remove the frame 4 (see 3.3.6). (5) Move the belt to the right and remove it from the one-way pulley 6 . (6) Move the carrier roller ass ...

  • Oki 24DX - page 212

    40930701TH DRAFT Vesion 231 / 3.3.8 Mini pitch belt & Feed roller (1) Remove the roller A (see 3.3.7). (2) Remove the bearing 1 and remove the feed roller assy 2 . (3) Remove two bearings 3 and remove the plate 4 . (4) Remove the mini pitch belt 5 and the feed roller 6 . 1 5 4 6 3 3 2 ...

  • Oki 24DX - page 213

    40930701TH DRAFT Vesion 232 / 4. TROUBLESHOOTING 4.1 Precautions Prior to the Troubleshooting (1) Go through the basic checking items provided in the Operator Guide. (2) Obtain detailed information concerning the problem from the user. (3) Go through the checking in the conditions similar to that in which the problem occurred. 4.2 Preparations for ...

  • Oki 24DX - page 214

    40930701TH DRAFT Vesion 233 / 4.3.1 LCD Status Message List The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4-1. Table 4-1 PAPER INPUT JAM CHECK FEEDER PAPER FEED JAM CHECK FEEDER ERROR PAPER SIZE CHECK FEEDER ERROR 81 Classification LCD Status Message Description Recovery method Jam error ...

  • Oki 24DX - page 215

    40930701TH DRAFT Vesion 234 / 4.3.2 Troubleshooting Flow • ( JAM error ) Paper Input Jam • Does paper jam at the inlet when the power is turned on? • YES Is the paper located above the inlet sensor lever? • YES Remove the paper. ▼ • NO Is the inlet sensor lever operating normally? • NO Replace the inlet sensor lever. ▼ • YES Clean ...

  • Oki 24DX - page 216

    40930701TH DRAFT Vesion 235 / 5. CONNECTION DIAGRAM 5.1 Interconnection Diagram AOLE - PCB CN3 2 M-T3 1 M-T4 4 M-T1 3 M-T2 M CN1 OPTPSIN-N OPTSCLK-N OPTSD-P OPTSDR-N OVP + 30V + 5V 7 6 5 4 3 2 1 Pulse motor To the Printer 5.2 PCB Layout AOLE-PCB CN3 SEN2 CN1 ...

  • Oki 24DX - page 217

    40930701TH DRAFT Vesion 236 / 2 3 12 4 9 8 6 1 11 10 5 7 12 6. PARTS LIST ...

  • Oki 24DX - page 218

    40930701TH DRAFT Vesion 237 / Table 6-1 Multi Feeder No. 1 2 3 4 5 6 7 8 9 10 11 12 Remarks # Q'ty/U 1 1 1 1 1 1 1 1 1 1 1 3 Parts No. 4PP4083-5544G001 3PB4083-5514P001 4PP4083-5520P001 4PB4083-6075P001 3PB4083-5524P001 4PB4043-4614P001 4LP-1313-338 4PB4043-4743P001 4YA4046-1647G011 2201000P0141 4YS4011-4448P004 4PP4083-2394P001 Name Separator ...

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Die Bedienungsanleitung, auch bezeichnet als Benutzerhandbuch, oder einfach nur „Anleitung”, ist ein technisches Dokument, das dem Benutzer bei der Nutzung von Oki 24DX hilfreich sein soll. Die Bedienungsanleitungen werden in der Regel von technischen Schriftstellern geschrieben, aber in einer Sprache, die für alle Nutzer von Oki 24DX verständlich ist.

Eine gänzliche Bedienungsanleitung von Oki sollte einige Grundelemente enthalten. Ein Teil von ihnen ist nicht so wichtig, wie z.B.: die Titelseite oder Autorenseiten. Die restlichen von ihnen jedoch, sollten Informationen liefern, die für den Nutzer von enormer Wichtigkeit sind.

1. Einführung und Hinweise, wie man sich in einer Bedienungsanleitung von Oki 24DX bewegt - Am Anfang jeder Bedienungsanleitung sollten wir Hinweise bezüglich der Nutzungsart eines bestimmten Ratgebers finden. In ihr sollten sich Informationen über die Lokalisierung des Inhaltsverzeichnisses von Oki 24DX befinden, FAQ oder über oft auftretende Probleme – also Stellen, die von den Benutzern in jeder Bedienungsanleitung am meisten gesucht werden
2. Inhaltsverzeichnis - Index aller Ratschläge bezüglich Oki 24DX, die wir im aktuellen Dokument finden
3. Ratschläge zur Nutzung der Grundfunktionen des Geräts Oki 24DX - die uns die ersten Schritte während der Nutzung von Oki 24DX erleichtern sollten
4. Troubleshooting - geordneter Tätigkeitslauf, der uns bei der Diagnose und als nächstes bei der Lösung wichtiger Probleme mit Oki 24DX hilft
5. FAQ - häufig gestellte Fragen
6. Kontaktdaten Informationen darüber, wo man Kontakt zum Produzenten / Service von Oki 24DX im bestimmten Land suchen kann, wenn es nicht gelingt, das Problem selbst zu lösen.

Haben Sie eine Frage bezüglich Oki 24DX?

Nutzen Sie das untere Formular

Wenn Sie mit Hilfe der gefundenen Bedienungsanleitung Ihr Problem mit Oki 24DX nicht gelöst haben, stellen Sie eine Frage, indem Sie das untere Formular nutzen. Wenn einer der Nutzer ein ähnliches Problem mit Oki 24DX hatte, ist es möglich, dass er mit Ihnen die Lösung teilen möchte.

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