Epson LQ-2180 Service Manual
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Epson LQ-2180 Service Manual

Impact serial dot matrix printer
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6 6 ( ( 5 5 9 9 , , & & ( ( 0 0 $ $ 18
18$ $ / /
Impact Serial Dot Matrix Printer
EPSON LQ-2180
®
http://www.4008109977.com
guangzhou epson service :020-84207330
SEDM98001

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  • Page 1 6 6 ( ( 5 5 9 9 , , & & ( ( 0 0 $ $ 18 18$ $ / / Impact Serial Dot Matrix Printer EPSON LQ-2180 ® http://www.4008109977.com guangzhou epson service :020-84207330 SEDM98001...
  • Page 2 „ The contents of this manual are subject to change without notice. „ All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
  • Page 4 CHAPTER 5. TROUBLESHOOTING Provides the step-by-step procedures for troubleshooting. CHAPTER 6. MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approv lubricants and adhesives required for servicing the product. APPENDIX Provides the following additional information for reference: • EEPROM Address Map •...
  • Page 5 Revision Status Revision Issued Date Description February 3, 1999 First Release http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 6: Table Of Contents

    EEPROM Address Map CR Motor Driver Circuit ..................28 ..................51 PF Motor Driver Circuit ..................28 Connector Summary EEPROM Control Circuit ..................29 ..................53 Component Layout Sensor Circuit ...................... 29 .................... 55 Circuit Diagram http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 7: Product Description

           PRODUCT DESCRIPTION http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 8: Specifications

    LQ-2180’s improved features such as printing speed and copy Items Quantity capability, the information included in this section is limited to the items User’s manual that are specific to LQ-2180. For the rest of the information, refer to the Driver disk LQ-2170 Service Manual. Ribbon cartridge 1.1.1 Features Power supply cable (230 V version) †...

  • Page 9: Printing Specifications

    1 original + 5 copies This section only describes the release lever setting, adjust lever setting, and some other specifications which are specific to LQ-2180. † Printing speed and printable column (See the table below.) For the rest of the specifications, see the LQ-2170 Service Manual.
  • Page 10 Continuous paper with labels Continuous paper Full release Pull tractor feed (rear) (Single sheet & Multi part) Pull tractor feed Continuous paper (Single sheet & Multi (bottom) part), Continuous paper with labels http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Specifications...

  • Page 11: Paper Specifications

    LQ-2180 Revision A 1.1.5 Paper Specifications Table 1-8. Cut Sheet (Multi Part) Front Entry Rear Entry This section provides paper specifications for the LQ-2180. Minimum Maximum Minimum Maximum Table 1-7. Cut Sheet (inch) 16.5 16.5 Width (mm) Front Entry Rear Entry (inch) 16.5...
  • Page 12 Not curled, not folded, not crumpled NOTE: Printing on envelope is available only under normal temperature and humidity conditions. NOTE: Envelopes should be inserted from rear entrance only. NOTE: Set the longer side of envelope horizontally. http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Specifications...
  • Page 13 NOTE: Continuous paper with labels should be inserted from the front or bottom entrance. 2.5 inch (63.5 mm) min. 15/16inch Label (23.8 mm) min. R 0.1 inch (2.5 mm) min. Figure 1-1. Printable Area - Label http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Specifications...
  • Page 14 - - - (mm) 0.07 0.09 (g/m 52.3 Weight - - - - - - (lb.) Plain paper, Recycled paper, Quality - - - Paper that is not curled, folded, or crumpled. http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Specifications...

  • Page 15: Electrical Specifications

    Revision A 1.1.6 Electrical Specifications † 230 V version The electrical specifications for the LQ-2180 is the same as for the LQ- 2170 except for the items below. For information on other items, see the „ Safety standards: EN60950 (TUV) LQ-2170 Service Manual.

  • Page 16: Firmware Specifications

    LQ-2180 Revision A 1.2 Firmware Specifications International character set (14 countries and legal) U.S.A. France Germany This section describes the firmware specifications for the LQ-2180. U.K. Denmark 1 Sweden Italy Spain 1 Japan 1.2.1 Control Codes and Fonts Norway Denmark 2...
  • Page 17 EPSON Courier PC 858 EPSON Sans Serif EPSON Prestige EPSON Roman T Italic table* PC 437(US, Standard Europe)* EPSON Script EPSON Sans Serif H PC 850 (Multilingual)* PC 860(Portuguese)* EPSON OCR-B PC 861 (Icelandic)* PC863 (Canadian-French)* EPSON Orator PC 865(Nordic)*...

  • Page 18: Interface Specifications

    1.2.2 Interface Specifications 1.2.2.2 Parallel Interface (Reverse Channel) † Transmission mode: IEEE-1284 nibble mode This section only provides information which is specific to the LQ-2180. For other information, refer to the LQ-2170 Service Manual. † Synchronization: Refer to the IEEE-1284 specification †...

  • Page 19: Operation Instruction

    LED, and operations. Since the layout and functions of the control panel functions below: are mostly common to those of LQ-2170, this section only shows the information that is specific to LQ-2180. For other information, see LQ- Table 1-15. Operations at Power On 2170 Service Manual.

  • Page 20: Eeprom Initialization

    Paper edge length 0 clear Auto I/F wait time setting 10 sec Page length (rear manual insertion) 22 inch Auto line feed Page length (front manual insertion) 22 inch Auto tear off http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Operation Instruction...

  • Page 21: Main Components

    LQ-2180 Revision A 1.4 Main Components The main components for the LQ-2180 are as follows. They are designed for easy disassembly and repair work. † C272MAIN Board † C165 PSB/PSE Board † C165 PNL Board † Printer Mechanism † Housing (upper and lower cases) Figure 1-3.

  • Page 22: C272Main Board

    ( K o r e a n V e r s i o n O n l y ) T M P 9 6 C 1 4 1 Figure 1-4. C272MAIN Board http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Main Components...

  • Page 23: Printer Mechanism

    LQ-2180 Revision A 1.4.2 Printer Mechanism Appearance of the printer mechanism for the LQ-2180 is the same as for the LQ-2170. However, please be aware of the printhead’s incompatibility with the LQ-2180. http://www.4008109977.com guangzhou epson service :020-84207330 Product Description Main Components...

  • Page 24: Operating Principles

    & + $ 3 7 ( 5 OPERATING PRINCIPLES http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 25: Control Circuit

    2.1 Control Circuit The following figure shows the data flow from the host computer to the The control circuit of the LQ-2180 is composed of the C272MAIN board printhead. Data sent from the host computer is converted to image data and the C165PNL board.

  • Page 26: System Reset Circuit

    • Data Extension • CPU working area Figure 2-3. Reset Circuit CG-ROM Contains font data. SLA7024M IC11 Constant current drive IC for CR Motor A2917 IC12 Constant current drive IC for PF Motor http://www.4008109977.com guangzhou epson service :020-84207330 Operating Principles Control Circuit...

  • Page 27: Printhead Driver Circuit

    For this reason, a zener diode is Figure 2-4. Printhead Drive Circuit attached for each transistor to ground the current so the voltage over the standard level (15 V) does not directly return to the transistor. http://www.4008109977.com guangzhou epson service :020-84207330 Operating Principles Control Circuit...

  • Page 28: Cr Motor Driver Circuit

    I N B C R B P F I 1 B I N - B C R - B Figure 2-5. CR Motor Driver Circuit Figure 2-6. PF Motor Driver Circuit http://www.4008109977.com guangzhou epson service :020-84207330 Operating Principles Control Circuit...

  • Page 29: Eeprom Control Circuit

    1 1 6 R e l e a s e 1 Figure 2-7. EEPROM Control Circuit 1 1 7 R e l e a s e 2 Figure 2-8. Sensor Circuit http://www.4008109977.com guangzhou epson service :020-84207330 Operating Principles Control Circuit...

  • Page 30: Disassembly And Assembly

    & + $ 3 7 ( 5 DISASSEMBLY AND ASSEMBLY http://www.4008109977.com guangzhou epson service :020-84207330...
  • Page 31 LQ-2180 Revision A The contents of the chapter “Disassembly and Assembly” is the same as for the LQ-2170 Service Manual. http://www.4008109977.com guangzhou epson service :020-84207330 Disassembly and Assembly...

  • Page 32: Adjustment

    & + $ 3 7 ( 5 ADJUSTMENT http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 33: Overview

    NOTE: If you omit this operation, the printer will perform Uni-D print instead of Bi-D. The adjustment items required for the LQ-2180 are the same as for the 5. Double-click “LQSERIES.EXE”. The program starts up and the LQ-2170. Therefore, see Table 4-1 in the LQ-2170 Service Manual and screen below appears.
  • Page 34 U P / D o w n : S e l e c t E N T E R : D e t e r m i n e Figure 4-4. Main Menu Screen http://www.4008109977.com guangzhou epson service :020-84207330 Adjustment Overview...

  • Page 35: Bi-D Adjustment

    Figure 4-5 until the High speed draft mode. The printer prints the following pattern. the vertical lines for the center value (Data = 0 in Figure 4-6) are aligned. http://www.4008109977.com guangzhou epson service :020-84207330 Adjustment Overview...

  • Page 36: Tpe Level Reset

    E N T E R : D e t e r m i n e Figure 4-7. Screen - TPE Reset 3. Select “Yes” and press the Enter key. FF is written in EEPROM when the printer power is turned off. http://www.4008109977.com guangzhou epson service :020-84207330 Adjustment Overview...

  • Page 37: Writing The User-Characteristic Data

    U P / D o w n : S e l e c t E N T E R : D e t e r m i n e Figure 4-8. Screen - Set or Reply Starting Date http://www.4008109977.com guangzhou epson service :020-84207330 Adjustment Overview...
  • Page 38 5. Input a 6-digit data. Be sure to input it correctly since this programs does not perform comparison check with the system timer. If you input a wrong data, start from the beginning. http://www.4008109977.com guangzhou epson service :020-84207330 Adjustment Overview...

  • Page 39: Troubleshooting

           TROUBLESHOOTING http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 40: Overview

    LQ-2170. However, be careful of the CN 12 and 16 that are not common to the LQ-2170. The change made for LQ-2180 is as shown below. This section gives you troubleshooting information to let you test points for replaceable units.

  • Page 41: Unit Level Troubleshooting

    HIGH/LOW at pin replace the main the component level. Servicers who repair to the unit level 1 of the IC8. board). (including all servicers in the U.S.) can ignore this section. http://www.4008109977.com guangzhou epson service :020-84207330 Troubleshooting Unit Level Troubleshooting...
  • Page 42 A particular one of the head IC3. If the head dot fails to drive drive signal is print., transistors is output, replace defective (Q4 - the head drive Q27). transistor. http://www.4008109977.com guangzhou epson service :020-84207330 Troubleshooting Repairing the C272MAIN Board...

  • Page 43: Repairing The Printer Mechanism

    5.6 Repairing the Printer Mechanism The information for this section is also the same as for the LQ-2170 except for the point below. Point: Table 5-8 → CN12 CN12 or CN16 http://www.4008109977.com guangzhou epson service :020-84207330 Troubleshooting Repairing the Printer Mechanism...

  • Page 44: Maintenance

           MAINTENANCE http://www.4008109977.com guangzhou epson service :020-84207330...
  • Page 45 LQ-2180 Revision A The contents of the chapter “Maintenance” is the same as for the LQ-2170 Service Manual. http://www.4008109977.com guangzhou epson service :020-84207330 Maintenance...

  • Page 46: Appendix

           APPENDIX http://www.4008109977.com guangzhou epson service :020-84207330...

  • Page 47: Eeprom Address Map

    Factory Address Data Data Format data setting This chapter provides EEPROM Address Map for LQ-2180 and component layouts and circuit diagram for the C272 Main Board. 04H, 05H Page length for rear 1 to 22x360 (by 1/360 inch) 0000H 0000H...
  • Page 48 0: On, 1: Off Tear off In tear-off state b5: (reserved) 1: Friction Bin 1 Bin select b6: (reserved) 2: Friction Bin 2 b7: (reserved) 3: Friction Card 4: Tractor & Tear off http://www.4008109977.com guangzhou epson service :020-84207330 Appendix EEPROM Address Map...
  • Page 49 64H to Sub-number for 00H to 09H 000000H 000000H customization (Standard) (Standard) 34H-37H Driving Hour 0 - 0FFFFFFFFH (minutes) 000000 000000 (reserved) 38H- Driving Line Count 0 - 0FFFFFFFFH (count) 000000 000000 http://www.4008109977.com guangzhou epson service :020-84207330 Appendix EEPROM Address Map...
  • Page 50 TPE level TPE adjustment position -10 to +10 (by 1/180 inch) 7AH to (reserved) *a) These data are fixed by each printer hardware in the factory. They should not be changed afterwards. http://www.4008109977.com guangzhou epson service :020-84207330 Appendix EEPROM Address Map...

  • Page 51: Connector Summary

    C 1 6 6 P S B / P S E H o s t B o a r d C o m p u t e r Figure 7-1. Cable Connections http://www.4008109977.com guangzhou epson service :020-84207330 Appendix Connector Summary...
  • Page 52 1: RELEASE 1 CN12 Release lever position CN12 Release lever position 2: GND 2: GND 3: RELEASE 2 1: RELEASE 2 CN16 Release lever position 4: GND 2: GND 1: PE CN17 2: GND http://www.4008109977.com guangzhou epson service :020-84207330 Appendix Connector Summary...

  • Page 53: Component Layout

    LQ-2180 Revision A 7.3 Component Layout Figure 7-3. C272Main Component Layout - Component Side http://www.4008109977.com guangzhou epson service :020-84207330 Appendix Component Layout...
  • Page 54 LQ-2180 Revision A Figure 7-4. C272Main Component Layout - Soldering Side http://www.4008109977.com guangzhou epson service :020-84207330 Appendix Component Layout...

  • Page 55: Circuit Diagram

    LQ-2180 Revision A 7.4 Circuit Diagram See the following page for the dircuit digram of the C272 Main Board. http://www.4008109977.com guangzhou epson service :020-84207330 Appendix Circuit Diagram...
  • Page 56 :020-84207330...

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