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Star Micronics MP115MP-24G-A - page 1
DOT MATRIX PRINTER MECHANISM MP111MP-24G-A MP115MP-24G-A SPECIFICATION AND OPERATION MANUAL ...
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Star Micronics MP115MP-24G-A - page 2
NOTICE • All rights reserved. Reproduction of any part of this manual in any form whatsoever, without STAR’s express permission is forbidden. • The contents of this manual are subject to change without notice. • All efforts have been made to ensure the accuracy of the contents of this manual at the time of going to press. However, should an ...
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Star Micronics MP115MP-24G-A - page 3
Contents 1. GENERAL DESCRIPTION ................................................................................................................ 1 2. CONSTRUCTION ................................................................................................................................ 2 2.1 Configuration ...................................... ...
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Star Micronics MP115MP-24G-A - page 4
– 1 – 1. GENERAL DESCRIPTION MP111MP-24G-A and MP115MP-24G-A are serial impact dot matrix printer mechanisms used to record data and as electrical equipment such as for ECR. Model Name Notation MP1 1 1 M P - 24 G - A G: FG compatible Voltage 24 : 24 VDC Paper-out detector P : Includes the paper-out detector Paper feed method M : Friction method ...
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Star Micronics MP115MP-24G-A - page 5
– 2 – 2. CONSTRUCTION 2.1 Configuration This printer mechanism is composed of the following components. Printer mechanism Drive unit, gears, and carriage unit Detectors Timing detector Home position detector Paper out detector Paper feed mechanism Ink ribbon wind mechanism Print head unit Frame unit Other You can also use 1.75 inch (45 mm) widt ...
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Star Micronics MP115MP-24G-A - page 6
– 3 – Fig. 2-1 MP111MP External view Home Position Detector Paper Guide A Paper Guide B Platen Paper-out Detector Connector Ink Ribbon Cassette Print Head Motor Timing Detector Drive Shaft PF Motor Carriage ...
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Star Micronics MP115MP-24G-A - page 7
– 4 – Fig. 2-2 MP115MP External view Home Position Detector Paper Guide A Paper Guide B Platen Paper-out Detector Connector Ink Ribbon Cassette Print Head Motor Timing Detector Drive Shaft PF Motor Carriage Ribbon Position Detector Ribbon Solenoid ...
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Star Micronics MP115MP-24G-A - page 8
– 5 – 3. GENERAL SPECIFICATIONS 3.1 Printing Specifications Item Specifications Printing method Impact Dot Matrix Printing configuration 7 x 9 (half dot) or 5 x 9 Printing direction Bidirectional (See note 1) Printing speed Approximately 3.85 lines/second Printing lines 32 lines (when using 7 x 9 half dots) Character dimension Width 1.2 mm (whe ...
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Star Micronics MP115MP-24G-A - page 9
– 6 – 3.2 Paper Specifications Item Specifications Paper type Ordinary roll paper (1P) and carbonless roll paper (2P or 3P) Paper width 57.5 ± 0.5 mm (2.25 inch). With options, 44.5 ± 0.5 mm(1.75 inch) possible Roll diameter Max. 85 mm (3.35 inch) Thickness Single : 0.07 mm to 0.10 mm Copies : Original + 1 copy Total thickness max. 0.14 mm, w ...
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Star Micronics MP115MP-24G-A - page 10
– 7 – 3.3 Ink Ribbon Specifications 1) MP111 Item Specifications Type Dedicated cartridge Color Purple (standard) Ribbon material Nylon 66 Ribbon size Width: 13 mm Model name Purple (standard): Ribbon cassette RC100 P Black (optional): Ribbon cassette RC100 B Ribbon life Purple: Approx. 1,500,000 characters Black: Approx. 800,000 characters Not ...
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Star Micronics MP115MP-24G-A - page 11
– 8 – 2) MP115 Item Specifications Type Dedicated cartridge Color Black and red Ribbon material Nylon 66, (#40 denier) Ribbon size Width: 13 mm Model No. Black and red: Ribbon cassette RC100BR Ribbon life Black: Approx. 400,000 characters Red: Approx. 250,000 characters Note: There is the possibility of damaging the printer by using ribbon cass ...
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Star Micronics MP115MP-24G-A - page 12
– 9 – 3.4 Connector Specifications 1 HD #6 2 HD CMN 3 HD #4 4 HD #5 5 HD #1 6 HD CMN 7 HD #2 8 HD #3 9 HD CMN 10 HD #7 11 HD #8 12 HD #9 13 LF-ø4 14 LF-CMN A, B 15 LF-ø2 16 LF-ø1 17 LF-ø3 18 RS-Sig (Ribbon shift) MP115M only 19 S-GND 20 PE-Sig 21 CR MOTOR (–) 22 HP-Sig 23 RS-SOL (Ribbon shift) MP115M only 24 T2-Sig 25 T1-Sig 26 +5V 27 NC ...
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Star Micronics MP115MP-24G-A - page 13
– 10 – Fig. 3-5 Connector connections M LF- ø 1 16 LF-CMN A,B 14 LF- ø 3 17 LF- ø 2 15 LF- ø 4 13 +5V 26 T1-sig 25 T2-sig 24 HP-sig 22 PE-sig 20 (RS-sig) *1 18 S-GND 19 M ( RS-SOL ) *1 23 CR MOTOR ( + ) ( CMN ( VH )) 28 NC 27 CR MOTOR ( - ) 21 *1 MP115MP only ...
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Star Micronics MP115MP-24G-A - page 14
– 11 – 3.5 Print Timing Fig. 3-6 Print Timing 135 246 642 642 642 246 246 7 7531 7531 7311 1357 1357 12345 12345 43 2 5 43 2 1 5 1 234 T2 T1 T3 T5 T7 T9 T11 T13 T15 T17 T19 T21 T311 T313 T315 T317 T319 T321 T444 T442 T440 T438 T436 T434 T4 T6 T8 T10 T12 T14 T16 T18 T20 T22 T312 T314 T316 T318 T320 T322 T443 T441 T439 T437 T435 T433 T742 T740 T7 ...
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Star Micronics MP115MP-24G-A - page 15
– 12 – 3.6 Timing Chart (1) Printing Action Fig. 3-7 Printing action ON MOTOR PF MOTOR OFF HIGH HP-sig LOW HIGH T2-sig LOW HIGH T1-sig LOW PRINT T1-sig: Type 1660 Hz, Max. 1710 Hz (Software and CPU should be designed at Max. 2000 Hz.) Printing speed: T1-sig 1600 Hz = Approximately 3.84 lines/sec. 1710 Hz = 3.96 lines/sec. Paper feed action must ...
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Star Micronics MP115MP-24G-A - page 16
– 13 – (2) Ribbon Shift Operation (Only with 2 color printing on the MP115) Fig. 3-8 Release action Release Action MOTOR TIMING SIG-1 RIBBON SHIFT RIBBON SHIFT GEAR ON OFF ON OFF ROTATE STOP HIGH LOW 18 Pulses T30 T1 T2 T3 T336 288 Pulses Ribbon shift gear rotation: 18 x 6 x 32/12 = 288 pulses ...
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Star Micronics MP115MP-24G-A - page 17
– 14 – 3.7 Print Head Specifications (1) Basic Specifications Item Specifications Supply voltage 24 VDC ± 2.4 V Response frequency Max. 900 Hz Energized time See below Coil resistance 14.7 ± 0.4 Ω (includes cable resistance) Peak current 1.0 A/solenoid (for 24 VDC, 375 µ s) Timing Energizing is begun at the fall of the output signal of tim ...
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Star Micronics MP115MP-24G-A - page 18
– 15 – We employ a zener diode to control spike voltages that occur when the transistor is turned OFF. The following figure shows and example of the drive circuit. With this circuit, we use a transistor equipped with a zener diode (zener voltage 60 + 10/-5V) between the base and collector. TR1 2SD2041 (ROHM) R1 1K Ω R2 330 Ω VH 23V + TR1 fo ...
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Star Micronics MP115MP-24G-A - page 19
– 16 – (2) Pre-fire This operation applies minute vibrations to the needle wire to allow for its smooth movement as printer warmup. Pre-fire is performed under the following conditions. The energizing time is too short to allow for the printing action to occur. Operating time When power is turned ON. Number of times 32 Times Frequency 900 Hz Po ...
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Star Micronics MP115MP-24G-A - page 20
– 17 – When you use the specific wires many times, make sure the maximum print ratio is not over the print duty shown in Fig. 3-13. Fig. 3-13 shows operation at 24.0V. Fig. 3-13 Print duty (specific wires) 1200 1100 1000 900 800 700 600 500 400 Print Ratio N (dot/sec) Number of the specific wires Ambient Temperature 50 ° C Ambient Temperature ...
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Star Micronics MP115MP-24G-A - page 21
– 18 – 3.8 CR Motor Specifications Item Specifications Type DC motor Supply voltage 24 VDC + 1.2 V Start current Max. 1.6 A Average current Approx. 0.15 A Fig. 3-14 Current waveform of the motor ...
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Star Micronics MP115MP-24G-A - page 22
– 19 – Notes: Adjust motor speed with VR adjustment and T1 signal to 1660 Hz ± 30 Hz. Fig. 3-15 Motor drive circuit (example) R1 10 K Ω TR1 2SA950 R2 3.3 K Ω TR2 2SC1740 R3 6.8 K Ω 1/6 W TR3 2SA1175 R4 2.2 K Ω TR4 2SD882 R5 1.2 K Ω TR5 2SB1359 R6 10 K Ω TR6 2SD1637 R7 20 K Ω IC1 SN74LS05 C1 0.47 µ F (Film) IC2 M51971L (MITSUBISH ...
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Star Micronics MP115MP-24G-A - page 23
– 20 – 3.9 Paper Feed Motor Specifications Item Specifications Type PM type stepping motor Drive method 2-Phase excitation unipolar method Terminal voltage 24 VDC ± 1.2 V (for drive), 4.2 VDC (when holding) Peak current Max. 0.7 A Average current About 0.28 A Holding current About 0.08 A Amount of paper feed 1/144 inch per 1 step Feed method F ...
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Star Micronics MP115MP-24G-A - page 24
– 21 – 3.10 Ribbon Shift Solenoid (RS-SOL) Specifications MP115MP only Item Specifications Supply voltage 24 VDC ± 1.2 V Pulse width T1-sig 18 pulses (Approx. 12 ms) Coil resistance Approx. 57.0 Ω Average current Approx. 400 mA Fig. 3-17 Current waveform of RS-SOL Fig. 3-18 RS-SOL drive circuit (example) TR1 2SD2010 (ROHM) D1 DSM1D1 R1 1 k ? ...
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Star Micronics MP115MP-24G-A - page 25
– 22 – 3.11 Timing Signal Detector Specifications The timing signal detector is composed of a detection slit mounted on the motor shaft, a photo interruptor, and waveform shaping circuit. Timing signal 1 is generated 18 pulses and timing signal 2 is generated 1 pulse every time the motor rotates by 1 turn. PS Photo interruptor ON1004R (MATSUSHI ...
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Star Micronics MP115MP-24G-A - page 26
– 23 – 3.12 Home Position Detector (HP-sig) Specifications The home position detector is composed of the mechanical switch. While the carriage is located at the left end, the switch remains ON. R1 10 k Ω R2 15 k Ω C1 0.022 µ F Fig. 3-21 Home position detector circuit (example) In order to improve reliability, we recommend that the HP-sig i ...
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Star Micronics MP115MP-24G-A - page 27
– 24 – 3.14 Ribbon Position Detector (RS-sig) Specifications (MP115MP only) The ribbon position is made up by a mechanical switch. When the ribbon is at the position for printing of black characters, the switch is ON. R1 10 k Ω R2 15 k Ω C1 0.022 µ F Fig. 3-23 Example of ribbon position detection circuit In order to improve the reliability ...
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Star Micronics MP115MP-24G-A - page 28
– 25 – Figure 3-24 MP111MP External dimension (unit: mm) Paper Entrance Paper Entrance Paper Entrance Paper Entrance Paper Entrance Connector Position Print Center Print Area Paper Guide Wdith Paper Entrance Print Center ...
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Star Micronics MP115MP-24G-A - page 29
– 26 – Figure 3-25 MP115MP External dimension (unit: mm) Paper Entrance Paper Entrance Paper Entrance Paper Entrance Paper Entrance Connector Position Print Center Print Area Paper Guide Wdith Paper Entrance Print Center ...
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Star Micronics MP115MP-24G-A - page 30
– 27 – 4. RELIABILITY SPECIFICATIONS Item Specification Remarks Life Operating environment Storage environment Printer reliability Print head life Temperature Relative humidity Temperature Relative humidity Except print head life 14 dots per character Recommended ribbon: Purple color ink ribbon car- tridge (RC100 P) After being left under this ...
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Star Micronics MP115MP-24G-A - page 31
– 28 – 5. SETTING THE RIBBON CARTRIDGE 1. Turn the ribbon feed knob of ribbon cartridge in the direction of the arrow to remove slack in the ribbon. 2. Place the ribbon cartridge and press it to set in the Unit. When the ribbon cartridge is hard to set to the proper position, turn the ribbon feed knob in the direction of the arrow. Insert the i ...
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Star Micronics MP115MP-24G-A - page 32
– 29 – 6. SETTING THE PAPER 6.1 Setting the Paper 1. Cut straight the leading edge of the paper. 2. Insert the paper squarely into the paper guide. 3. Turn the paper feed motor to feed the paper. 4. When the paper comes out of the paper outlet, turn the feed motor off, and stop the paper feed. 6.2 Removing the Paper 1. Cut the paper behind the ...
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Star Micronics MP115MP-24G-A - page 33
– 30 – 7. INSTALLATION 1. At the time of mounting the printer mechanism into its housing cabinet, put cushion material, such as, rubber foot, on the printer mechanism legs. If installed directly, reverberations occur producing noise. We recommend that you use the following rubber foot. Parts name : DAMPER RUBBER SP2 Parts No. : 30290010 Fig. 7- ...
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Star Micronics MP115MP-24G-A - page 34
– 31 – Fig. 7-3 Installation space (example) (unit: mm) Roll Diameter (Paper Tube Inner Diameter Paper Entrance Paper Entrance Paper Entrance Mechanism Attachment Position (4 Places) Paper Exit Sectional View of Paper Holder AA Frame Screw 3.0 Vibration Isolation Rubber SP2 Chassis ...
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Star Micronics MP115MP-24G-A - page 35
– 32 – Fig. 7-4 Printer installation (example) (unit: mm) Roll Diameter Paper Entrance Paper Entrance Paper Entrance Mechanism Attachment Position (4 Places) Paper Exit Sectional View of Paper Holder Frame Screw 3.0 Vibration Isolation Rubber SP2 Chassis Roll Diameter ...
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Star Micronics MP115MP-24G-A - page 36
– 33 – Fig. 7-5 Printer installation (Placing the roll paper without using the roller.) Roll Diameter Paper Entrance Paper Entrance Paper Entrance Mechanism Attachment Position (4 Places) Paper Exit Sectional View of Paper Holder Frame Screw 3.0 Vibration Isolation Rubber SP2 Chassis (Rib Height) ...
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Star Micronics MP115MP-24G-A - page 37
– 34 – Fig. 7-6 Printer installation Be careful of the soldered side of the PCB. (MP111MP) (MP115MP) ...
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Star Micronics MP115MP-24G-A - page 38
– 35 – 8. OPERATIONAL NOTES 8.1 Power ON/OFF Note If the 5 V power supply line for logic has not fully risen or fallen immediately after the power supply is turned ON or OFF, the CPU or TTL in the logic circuit may misoperate. At such times, power is supplied to the motor or solenoid, causing, in the worst case, burnt out solenoid or running of ...
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Star Micronics MP115MP-24G-A - page 39
– 36 – T R 1 2SD2041 (ROHM) HRT Type R1 1 k Ω R2 330 Ω V H 23 V+V CE (Sat.) of TR1=24 V Fig. 8-3 Circuit to control drive circuit (example) 8.2 Carriage Motor Protection Method (Against Mechanical Errors) If the carriage motor gets locked as a result of trapping foreign matter, etc. in the printer mechanism, a risk of damaging the motor due ...
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Star Micronics MP115MP-24G-A - page 40
– 37 – 9. POWER SUPPLY CAPACITY 9.1 24 V Line Arrange for the following power supply, taking into account the voltage drop (about 1 V) of V CE (sat) of the power transistor for driving print solenoid. Power supply voltage 23V+1V = 24V ± 10 % Similarly, arrange for 2.0 A or larger power supply capacity; and connect an electrolytic condenser of ...
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Star Micronics MP115MP-24G-A - page 41
– 38 – 10. OPTIONS You can also use 1.75 inch (44.5 mm) width roll paper by removing the paper guide B and attaching the optional guide C. (1) Removing the Paper Guide B Spread the boss unit on both sides of the paper guide B and remove the the boss from the paper guide A side. Rotate the paper guide B and remove it. (2) Setting the Paper Guide ...
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Star Micronics MP115MP-24G-A - page 42
HEAD OFFICE ELECTRONIC PRODUCTS DIVISION STAR MICRONICS CO., LTD. 536 Nanatsushinya, Shimizu, Shizuoka, 424-0066 JAPAN Tel : 0543-47-0112 Fax: 0543-48-5271 Please access the following URL http://www.star-micronics.co.jp/service/sp_sup_e.htm for the lastest revision of the manual. OVERSEAS SUBSIDIARY COMPANIES STAR MICRONICS AMERICA, INC. 70-D Ethel ...
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