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Epson 2180 Service Manual

Epson 2180 - LQ B/W Dot-matrix Printer Manual

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Epson 2180 | Service Manual - Page 1
6(59,&( 0$18$/ Impact Serial Dot Matrix Printer EPSON LQ-2180 ® SEDM98001
Epson 2180 | Service Manual - Page 2
Notice: „ All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. „ The contents of this
Epson 2180 | Service Manual - Page 3
in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN THE POWER SOURCE. 3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE
Epson 2180 | Service Manual - Page 4
-approved methods for adjustment. 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
Epson 2180 | Service Manual - Page 5
Revision A Revision Status Issued Date February 3, 1999 Description First Release
Epson 2180 | Service Manual - Page 6
Fonts 16 Interface Specifications 18 Parallel Interface (Forward Channel 18 Parallel Interface (Reverse Channel 18 Operation Instruction 19 Control Panel ...19 Bi-directional Adjustment Function 19 EEPROM Initialization 20 Main Components 21 C272MAIN Board 22 Printer Mechanism 23 Operating
Epson 2180 | Service Manual - Page 7
PRODUCT DESCRIPTION
Epson 2180 | Service Manual - Page 8
in this section is limited to the items that are specific to LQ-2180. For the rest of the information, refer to the LQ-2170 Service Manual. 1.1.1 Features † Printing speed „ High speed draft: 480 cps „ Draft: 360 cps „ LQ: 120 cps (at 10 cpi) † Character tables „ Standard version: 13
Epson 2180 | Service Manual - Page 9
the head temperature rises to the upper limit, the printer stops printing. When the head temperature falls to the normal level, the printer setting, and some other specifications which are specific to LQ-2180. For the rest of the specifications, see the LQ-2170 Service Manual. † Feeding method „
Epson 2180 | Service Manual - Page 10
LQ-2180 † Release lever: See the following table. Table 1-5. Release Lever Settings Lever Position Paper path / Feeder Paper / Media Manual insertion (front) Cut sheet (Single sheet & Multi part), Card Friction Manual insertion (rear) CSF Bin 1 Cut sheet (Single sheet & Multi part), Card,
Epson 2180 | Service Manual - Page 11
LQ-2180 1.1.5 Paper Specifications This section provides paper specifications for the LQ-2180. Width Length Thickness Weight Quality 0047 0.12 0.018 0.46 Weight (g/m2) 40 58 40 58 (one sheet of multi part) (lb.) 12 15 12 15 Quality Plain paper, Recycled paper, Paper that is not
Epson 2180 | Service Manual - Page 12
LQ-2180 Width Length Thickness Weight Quality Table 1-9. Card Front Entry Rear Entry Minimum Maximum Minimum Maximum (inch) 3.9 7.8 3.9 7.8 (mm) 100 200 100 inserted from rear entrance only. NOTE: Set the longer side of envelope horizontally. Product Description Specifications 12
Epson 2180 | Service Manual - Page 13
LQ-2180 Table 1-11. Continuous Paper (Single sheet and Multi Part) Front Entry Rear Entry Bottom Entry Min. Max. Min. Max. Min. Max. Width (inch) 4 (mm) 101 16inch (23.8 mm) min. Label R 0.1 inch (2.5 mm) min. Figure 1-1. Printable Area - Label Product Description Specifications 13
Epson 2180 | Service Manual - Page 14
LQ-2180 Width Length Thickness Weight Quality (inch) (mm) (inch) (mm) (inch) (mm) (g/m2) (lb.) Table - - - - - - - - - - 0.0028 0.07 0.0035 0.09 52.3 82 14 22 Plain paper, Recycled paper, Paper that is not curled, folded, or crumpled. Revision A Product Description Specifications 14
Epson 2180 | Service Manual - Page 15
LQ-2180 Revision A 1.1.6 Electrical Specifications The electrical specifications for the LQ-2180 is the same as for the LQ2170 except for the items below. For information on other items, see the LQ-2170 Service Manual. † Input voltage range „ 120 V version: AC 99 to 132 V „ 230 V version: AC
Epson 2180 | Service Manual - Page 16
LQ-2180 Revision A 1.2 Firmware Specifications This section describes the firmware specifications for the LQ-2180. 1.2.1 Control Codes and Fonts † Control codes: ESC EPSON Draft EPSON Roman EPSON Sans Serif EPSON Courier EPSON Prestige EPSON Script EPSON OCR-B EPSON Orator EPSON Orator-S EPSON
Epson 2180 | Service Manual - Page 17
LQ-2180 EPSON Sans Serif (Not supported) Hebrew7*2 Hebrew 8*2 PC862 (Hebrew)*2 EPSON Draft (Hebrew) EPSON Roman (Not supported) EPSON Courier *1: ESC R command is effective on these character tables. *2 Not displayed in the default setting mode. Product Description Firmware Specifications
Epson 2180 | Service Manual - Page 18
information which is specific to the LQ-2180. For other information, refer to the LQ-2170 Service Manual. 1.2.2.1 Parallel Interface to the IEEE-1284 specification † Device ID: [00H][4DH] MFG: EPSON; CMD: ESCPL2,PRPXL24,BDC; MDL: LQ-2180; CLS: PRINTER; DES: EPSON[SP]LQ-2180; † Pin assignment:
Epson 2180 | Service Manual - Page 19
of the control panel are mostly common to those of LQ-2170, this section only shows the information that is specific to LQ-2180. For other information, see LQ2170 Service Manual. 1.3.1 Control Panel The control panel of this printer consists of the power switch, 6 non-lock type buttons, and
Epson 2180 | Service Manual - Page 20
LQ-2180 1.3.3 EEPROM over perforation Off 22 High speed draft On 23 Input buffer On 24 Software ESC/P2 25 0 slash Off 26 Buzzer On 27 Roll paper Off 28 Auto CR manual insertion) 22 inch 42 Page length (front manual insertion) 22 inch Product Description Operation Instruction 20
Epson 2180 | Service Manual - Page 21
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) Revision A Product Description Figure 1-3. Main Components
Epson 2180 | Service Manual - Page 22
LQ-2180 1.4.1 C272MAIN Board The C272MAIN Board is composed of the CPU (TMP96C141), gate array (E05B42), program ROM that integrates the CG, EEPROM, and 24 transistors used
Epson 2180 | Service Manual - Page 23
LQ-2180 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. Revision A Product Description Main Components 23
Epson 2180 | Service Manual - Page 24
OPERATING PRINCIPLES &+$37(5 5
Epson 2180 | Service Manual - Page 25
Control Circuit The control circuit of the LQ-2180 is composed of the C272MAIN board and the C165PNL board. This section describes the operations of the major components in the circuit. 2.1.1 Overview of the Control Circuit Operation The printer's control circuit includes a CPU (TMP96C141AF/IC4
Epson 2180 | Service Manual - Page 26
LQ-2180 The following table lists the each function of the main components of the reset signal under the conditions below to feed back the status to the CPU and the gate array: † The printer is turned on or off. † The voltage level drops due to abnormal condition. Receiving the signal, the CPU and
Epson 2180 | Service Manual - Page 27
LQ-2180 2.1.3 Printhead Driver Circuit Printhead drive begins with monitoring the 35 V line currently applied. This function enables the printer to change the period of time for applying current to the printhead slightly depending on the condition. As a result, the printer the head driver transistor.
Epson 2180 | Service Manual - Page 28
LQ-2180 2.1.4 CR Motor Driver Circuit The CPU (IC4) directly controls the phase change of the CR motor. SLA7024M (IC11), the driver change signal directly from the gate array and determines the phase to which current flows. The PF motor driver circuit is as shown below: C P U (IC 4 ) 1 PG O 0 2 PG
Epson 2180 | Service Manual - Page 29
LQ-2180 2.1.6 EEPROM Control Circuit When the printer power is turned off, the EEPROM stores format. The EEPROM control circuit is as shown below: Revision A 2.1.7 Sensor Circuit Unlike the LQ-2170, both the CPU and the gate array monitor and control the corresponding sensors' conditions. Note
Epson 2180 | Service Manual - Page 30
DISASSEMBLY AND ASSEMBLY &+$37(5 6
Epson 2180 | Service Manual - Page 31
LQ-2180 The contents of the chapter "Disassembly and Assembly" is the same as for the LQ-2170 Service Manual. Revision A Disassembly and Assembly 31
Epson 2180 | Service Manual - Page 32
ADJUSTMENT &+$37(5 7
Epson 2180 | Service Manual - Page 33
in the LQ-2170 Service Manual and perform any necessary adjustment after disassembling/assembling the printer. C A U T IO N Though the conditions for each adjustment are the same as for the LQ-2170, the adjustment program used for the LQ-2180 is different. Therefore, observe the instructions given
Epson 2180 | Service Manual - Page 34
LQ-2180 Revision A E P S O N S ID M P r in te r S e r v ic e P r o g r a m b o o t p r o c e s s S e le c t th e d e s tin a tio n . S ta n d a rd N LSP E P S O N the screen shown in Figure 4-1. „ If you select "Got", the printer flashes the model name stored in the RAM to the EEPROM once
Epson 2180 | Service Manual - Page 35
LQ-2180 Revision A 4.1.2 Bi-D Adjustment This adjustment is made after the main board or the CR motor has been replaced. The purpose of this adjustment is to electrically correct the head wire's point of impact during Bi-D printing. The adjusted value is stored in the specific address in the
Epson 2180 | Service Manual - Page 36
LQ-2180 Revision A 6. When this adjustment is completed, if you need to perform another adjustment using this program, you can continue without turning off the printer. 4.1.3 TPE Level Reset Make this adjustment when the main board or Top PE Sensor has been replaced. Generally, light level
Epson 2180 | Service Manual - Page 37
LQ-2180 4.1.4 Writing the User-characteristic Data Use this function to check the specific records of the printer used by your customer. Also, you can renew the starting date using this program. Since there is no standardized service operation using this function, you can use it whenever necessary.
Epson 2180 | Service Manual - Page 38
LQ-2180 S e ttin g S ta r tin g Y e a r /M o n th /D a y In p u t fo r m a t: 1 9 9 9 /1 /1 ---> 9 9 0 1 0 1 P le a s e in p u t 6 d ig its > > Figure 4-10. Screen - Setting Starting Year / Month / Date 5. Input a 6-digit data. Be sure to input
Epson 2180 | Service Manual - Page 39
TROUBLESHOOTING
Epson 2180 | Service Manual - Page 40
LQ-2180 Revision A 5.1 Overview This chapter contains flowcharts and checkpoint tables to help you troubleshoot the printer. The checkpoint tables let you identify the faulty part or unit by checking the values or ranges listed for each component. 5.2 Troubleshooting Information This section gives
Epson 2180 | Service Manual - Page 41
LQ-2180 5.3 Unit Level Troubleshooting The information for this section is the same as for the LQ-2170 except for some points. The points to be changed are as follows: Point: All flowcharts provided in this section C165 MAIN Board → 272MAIN Board
Epson 2180 | Service Manual - Page 42
LQ-2180 Table 5-3. Repairing the C272MAIN Board (2/3) Problem Cause Checkpoint Solution Check the oscillator signal at pins 26 or 27 of the CRU1. The printer head drive signal is not output, replace IC3. If the head drive signal is output, replace the head drive transistor. Troubleshooting
Epson 2180 | Service Manual - Page 43
LQ-2180 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 Revision A Troubleshooting Repairing the Printer Mechanism 43
Epson 2180 | Service Manual - Page 44
MAINTENANCE
Epson 2180 | Service Manual - Page 45
LQ-2180 The contents of the chapter "Maintenance" is the same as for the LQ-2170 Service Manual. Revision A Maintenance 45
Epson 2180 | Service Manual - Page 46
APPENDIX
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Map This chapter provides EEPROM Address Map for LQ-2180 and component layouts and circuit diagram for the , by 1/360 inch) insertion 0000H 0000H (8.5 mm) (8.5 mm) 16H, 17H TOF adjustment value for front manual insertion -60 to 360 (4.2 mm to 8.5 0000H 0000H mm + 1 inch, by 1/360 inch) (8.5
Epson 2180 | Service Manual - Page 48
LQ-2180 Table 7-3. EEPROM Address Map (3/7) Address Data 1DH Pitch selection 1EH Data Data Format Q-pit Factory data setting 23H Software 0 slash Buzzer Roll paper Auto CR A. G. M. ----- b0: Software 0: ESC/P2, 1: IBM 2391 Plus b1: 0 slash, 0: Off, 1: On b2: Buzzer 0: On, 1: Off b3: Roll
Epson 2180 | Service Manual - Page 49
00H 00H 2AH Panel mask pattern 2 b0: LF function b1: FF function b2: Micro Adjust function b3: Pause function b4: Data dump b5: Default setting b6: Bi-d. adjustment b7: (reserved) 00H 00H 2BH Manual insertion wait time 3 to 30 (by 0.1 sec.), 00H: 2 sec when Normal mode. (same as 3 sec when
Epson 2180 | Service Manual - Page 50
LQ-2180 Table 7-7. EEPROM Address Map (7/7) Address Data Data Format Q-pit data Area 2 68H Market 00H 00H *a) *a) *a) *a) *a) 00H FFH 00H 00H *a) These data are fixed by each printer hardware in the factory. They should not be changed afterwards. Appendix EEPROM Address Map Revision A 50
Epson 2180 | Service Manual - Page 51
LQ-2180 7.2 Connector Summary The following figure shows how primary components are connected. P r in te r M e c h a n is m P F M o to r C R M o to r P G S ensor R e le a s e L e v e r P o s itio n S e n s o r P E - R ear S ensor P E - F ro n t S e n s o r H P S ensor P W S ensor P r in
Epson 2180 | Service Manual - Page 52
-B 5: HOLD 6: +5V 7: GND 8: GND 9: +35V 10:+35V 1: RELEASE 1 2: GND 3: RELEASE 2 4: GND 3 --- --- --- Connector CN14 CN12 CN16 CN17 LQ-2180 (C272MAIN) Function CSF Release lever position Release lever position Fan Pin alignment 1: +35V 2: +5V 3: HOLD 4: +35V 5: -A 6: B 7: GND 8: GND 9: A 10
Epson 2180 | Service Manual - Page 53
LQ-2180 7.3 Component Layout Revision A Figure 7-3. C272Main Component Layout - Component Side Appendix Component Layout 53
Epson 2180 | Service Manual - Page 54
LQ-2180 Revision A Figure 7-4. C272Main Component Layout - Soldering Side Appendix Component Layout 54
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LQ-2180 7.4 Circuit Diagram See the following page for the dircuit digram of the C272 Main Board. Revision A Appendix Circuit Diagram 55
Epson 2180 | Service Manual - Page 56

Section	Page
LP-2180	1
Product Description	7
1.1 Specifications	8
1.1.1 Features	8
1.1.2 Accessories	8
Table 11. Items Included in the Printer	8
Table 12. Items Included in the Printer	8
Table 13. Items Included in the Printer	8
1.1.3 Printing Specifications	9
Table 14. Print Speed and Corresponding Printable Columns	9
1.1.4 Paper Handling	9
Table 15. Release Lever Settings	10
Table 16. Adjust Lever Setting Position	10
1.1.5 Paper Specifications	11
Table 17. Cut Sheet	11
Table 18. Cut Sheet (Multi Part)	11
Table 19. Card	12
Table 110. Envelope	12
Table 111. Continuous Paper (Single sheet and Multi Part)	13
Table 112. Continuous Paper with Labels	13
Figure 11. Printable Area - Label	13
Table 113. Roll Paper	14
1.1.6 Electrical Specifications	15
1.1.7 Reliability	15
1.1.8 Safety Approvals	15
1.1.9 CE Marking	15
1.2 Firmware Specifications	16
1.2.1 Control Codes and Fonts	16
Table 114. Character Tables and Available Typefaces	17
1.2.2 Interface Specifications	18
1.2.2.1 Parallel Interface (Forward Channel)	18
1.2.2.2 Parallel Interface (Reverse Channel)	18
1.3 Operation Instruction	19
1.3.1 Control Panel	19
Figure 12. Control Panel	19
Table 115. Operations at Power On	19
1.3.2 Bi-directional Adjustment Function	19
1. Bi-directional adjustment for draft mode	19
2. Bi-directional adjustment for draft copy mode	19
3. Bi-directional adjustment for LQ mode	19
1.3.3 EEPROM Initialization	20
Table 116. Initialization Area for EEPROM (1/2)	20
Table 117. Initialization Area for EERPOM (2/2)	20
1.4 Main Components	21
Operating Principles	24
2.1 Control Circuit	25
2.1.1 Overview of the Control Circuit Operation	25
Figure 21. Control Circuit Block Diagram	25
Figure 22. Data Flow	25
Table 21. Functions of the Main Board	26
2.1.2 System Reset Circuit	26
Figure 23. Reset Circuit	26
2.1.3 Printhead Driver Circuit	27
Figure 24. Printhead Drive Circuit	27
2.1.4 CR Motor Driver Circuit	28
Figure 25. CR Motor Driver Circuit	28
2.1.5 PF Motor Driver Circuit	28
Figure 26. PF Motor Driver Circuit	28
2.1.6 EEPROM Control Circuit	29
2.1.7 Sensor Circuit	29
Figure 27. EEPROM Control Circuit	29
Figure 28. Sensor Circuit	29
Disassembly and Assembly	30
Adjustment	32
4.1 Overview	33
4.1.1 Pre-operation for the Adjustment Program	33
1. Get a continuous paper. (136-column paper should be used to avoid printing on the platen.)	33
2. Set the release lever to the continuous paper position.	33
3. Connect the printer and the PC and turn the printer on.	33
4. Press the Load/Eject button to send the paper to the stand-by position. Then press the LF/FF b...	33
5. Double-click “LQSERIES.EXE”. The program starts up and the screen below appears.	33
Figure 41. LQSERIES.EXE Initial Screen	33
6. Move the cursor to “LQ-2180” and press the Enter key.	33
7. The following screen appears.	33
Figure 42. Destination Selection Screen	34
8. Check the printer to be adjusted for the destination; NLSP or Standard, then select the destin...	34
9. The following screen appears.	34
Figure 43. Main Menu Selection Screen	34
10. Select “Perform”. The following screen appears.	34
Figure 44. Main Menu Screen	34
4.1.2 Bi-D Adjustment	35
1. Perform the pre-operation. (See Section 4.1.1.)	35
2. Select “1. Bi-D Adjustment”. The following screen appears.	35
Figure 45. Initial Menu of the Bi-D Adjustment	35
3. Press the Space key to check the current Bi-D setting condition for the High speed draft mode....	35
Figure 46. Bi-D Pattern Sample	35
4. Output the patterns for the Draft Copy Mode and the LQ Mode, the rest of the three modes in th...	35
5. Examine the patterns for the three modes output in the previous steps, and correct the value i...	35
6. When this adjustment is completed, if you need to perform another adjustment using this progra...	36
4.1.3 TPE Level Reset	36
1. Perform the pre-operation. (See Section 4.1.1.)	36
2. Select “TPE Reset” in the main menu screen (Figure 44) and press the Enter key. The screen be...	36
Figure 47. Screen - TPE Reset	36
3. Select “Yes” and press the Enter key. FF is written in EEPROM when the printer power is turned...	36
4.1.4 Writing the User-characteristic Data	37
1. Perform the pre-operation. (See Section 4.1.1.)	37
2. Select “Set or Reply Starting Date” and press the Enter key. The screen below appears.	37
Figure 48. Screen - Set or Reply Starting Date	37
3. Select “Characteristic Status Code” and press the Enter key. The following screen appears.	37
Figure 49. Screen - Characteristic Status Code	37
4. Select “Set Starting year / month / date” and press the Enter key. The following screen appears.	37
Figure 410. Screen - Setting Starting Year / Month / Date	38
5. Input a 6-digit data. Be sure to input it correctly since this programs does not perform compa...	38
Troubleshooting	39
5.1 Overview	40
5.2 Troubleshooting Information	40
5.2.1 Printhead	40
5.2.2 Sensors	40
Table 51. Sensor Test Points	40
5.2.3 Motors	40
5.2.4 Error Codes with Indicators and Buzzer	40
5.3 Unit Level Troubleshooting	41
5.4 Repairing the C165 PSB/PSE Board	41
5.5 Repairing the C272MAIN Board	41
Table 52. Repairing the C272MAIN Board (1/3)	41
Table 53. Repairing the C272MAIN Board (2/3)	42
Table 54. Repairing the C272MAIN Board (3/3)	42
5.6 Repairing the Printer Mechanism	43
Maintenance	44
Appendix	46
7.1 EEPROM Address Map	47
Table 71. EEPROM Address Map (1/7)	47
0: PC437	47
1: PC850	47
2: PC860	47
3: PC863	47
4: PC865	47
5: PC861	47
6: BRASCII	47
7: Abicomp	47
8: ISO Latin 1	47
9: Roman 8	47
10: PC437 Greek	47
11: PC852	47
12: PC853	47
13: PC855	47
14: PC857	47
15: PC864	47
16: PC866	47
17: PC869	47
18: ISO Latin 1T	47
19: ISO 8859-7	47
20: MAZOWIA	47
21: Code MJK	47
22: Bulgaria	47
23: Estonia	47
24: PC774	47
25: ISO 8859-2	47
26: PC866 LAT	47
27: PC866 UKR	47
28: Hebrew 7	47
29: Hebrew 8	47
30: PC862	47
31: PCAPTEC	47
32: PC708	47
33: PC720	47
34: PCAR864	47
35: PC858	47
36: ISO 8859-15	47
37: Italic U.S.A.	47
38: Italic France	47
39: Italic Germany I	47
40: Italic U.K.	47
41: Italic Denmark	47
42: Italic Sweden	47
43: Italic Italy	47
44: Italic Spain	47
Table 72. EEPROM Address Map (2/7)	47
0: Roman	47
1: Draft	47
2: Sans serif	47
3: Courier	47
4: Prestige	47
5: Script	47
6: Others (the default)	47
Table 73. EEPROM Address Map (3/7)	48
0: 10 cpi	48
1: 12 cpi	48
2: 15 cpi	48
3: 17 cpi	48
4: 20 cpi	48
5: Proportional	48
0: Bi-d.	48
1: Uni-d.	48
2: Auto	48
0: Auto I/F selection	48
1: Parallel I/F	48
2: Type-B I/F	48
b0: Auto line feed 0: Off, 1: On	48
b1: Auto tear off 0: Off, 1: On	48
b2: Skip over perforation 0: Off, 1: On	48
b3: High speed draft 0: On, 1: Off	48
b4: Input buffer 0: On, 1: Off	48
b5: (reserved)	48
b6: (reserved)	48
b7: (reserved)	48
Table 74. EEPROM Address Map (4/7)	48
b0: Software 0: ESC/P2, 1: IBM 2391 Plus	48
b1: 0 slash, 0: Off, 1: On	48
b2: Buzzer 0: On, 1: Off	48
b3: Roll paper 0: Off, 1: On	48
b4: Auto CR (IBM) 0: Off, 1: On	48
b5: A. G. M. (IBM) 0: Off, 1: On	48
b6: (reserved)	48
b7: (reserved)	48
0: Roman	48
1: Sans Serif H	48
2: OCR-B	48
3: Orator	48
4: Orator-S	48
5: Script C	48
0: Friction Bin 1 or Tractor not Tear off	48
1: Friction Bin 1	48
2: Friction Bin 2	48
3: Friction Card	48
4: Tractor & Tear off	48
Table 75. EEPROM Address Map (5/7)	49
b0: LOAD function	49
b1: EJECT function	49
b2: FONT selection	49
b3: PITCH selection	49
b4: TEAR OFF function	49
b5: BIN selection	49
b6: Draft self test	49
b7: LQ self test	49
b0: LF function	49
b1: FF function	49
b2: Micro Adjust function	49
b3: Pause function	49
b4: Data dump	49
b5: Default setting	49
b6: Bi-d. adjustment	49
b7: (reserved)	49
0: Off	49
1: On	49
Table 76. EEPROM Address Map (6/7)	49
b0: black paper mode 0: Off, 1: On	49
b1: paper width measure 0: On, 1: Off	49
b2: b2 to b7: (reserved)	49
Table 77. EEPROM Address Map (7/7)	50
0: Standard version	50
1: NLSP version	50
0: Table2	50
1: Table1	50
7.2 Connector Summary	51
Figure 71. Cable Connections	51
Table 78. C272 Main Board Connection	51
Figure 72. Connector Pin Assignment (Changed/new items only)	52
1: A	52
2: B	52
3: -A	52
4: -B	52
5: HOLD	52
6: +5V	52
7: GND	52
8: GND	52
9: +35V	52
10: +35V	52
1: +35V	52
2: +5V	52
3: HOLD	52
4: +35V	52
5: -A	52
6: B	52
7: GND	52
8: GND	52
9: A	52
10: -B	52
1: RELEASE 1	52
2: GND	52
3: RELEASE 2	52
4: GND	52
1: RELEASE 1	52
2: GND	52
1: RELEASE 2	52
2: GND	52
1: PE	52
2: GND	52
7.3 Component Layout	53
Figure 73. C272Main Component Layout - Component Side	53
Figure 74. C272Main Component Layout - Soldering Side	54

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EPSON LQ-2180

Impact Serial Dot Matrix Printer

SEDM98001

6(59,&( 0$18

18$/