REV.-A
DISASSEMBLY, ASSEMBLY, AND ADJUSTMENT
4.2 DISASSEMBLY AND REASSEMBLY
This chapter details the disassembly procedures for the LQ-510. As a rule, reassembly is performed simply
by reversing the disassembly procedures. A number of special notes, however, are provided under the heading
“Notes for Reassembly.” When a disassembly or reassembly procedure requires that an adjustment be per-
formed, the adjustment is described under the heading, “Required Adjustment.” Perform these adjustments
as indicated.
Be sure that you have read Section 4.1 “General Repair Information
n
before performing disassembly
Remove paper and the ribbon cartridge before disassembly.
The disassembly procedure detailed below is completed in the following sequence: (1) removal of the print-
head, (2) removal of the cases, (3) removal of the circuit boards, (4) removal of the printer mechanism unit,
and (5) disassembly of the printer mechanism, Exploded diagrams of the LQ-510 and of the printer mechanism
are provided in Figures A-31 to A-32.
4.2.1 PRINTHEAD REMOVAL
1.
Remove the printer cover, and confirm that paper and ribbon cartridge have been removed.
2.
Open the cover of the paper tension unit.
Platen
Figure 4-1. Paper Tension Unit Cover
LQ-510
4-3
Summary of Contents for AP-4000
Page 1: ...LQ 510 AP 4000 T E C H N I C A L M A N U A L EPSON ...
Page 4: ...REV A REVISION SHEET iv LQ 510 ...
Page 103: ...REV A PRINCIPLES OF OPERATION LQ 510 Figure 2 68 A D Converter Circuit 2 61 ...
Page 125: ...OPTIONAL EQUIPMENT REV A 3 16 Figure 3 12 Lubrication Points 2 LQ 510 ...
Page 167: ......
Page 192: ...MAINTENANCE REV A L __ w w n Figure 6 3 LQ 510 Lubrication Points 6 3 LQ 510 ...
Page 202: ...APPENDIX REV A Table A 6 E01A05 Pin Functions A 8 LQ 510 ...
Page 212: ...3 L CN 1 ...
Page 213: ...REV A APPENDIX Figure A 25 SANPSE Board Component Layout LQ 510 A 19 ...
Page 214: ...REV A APPENDIX J Figure A 26 SANPSE Board Circuit Diagram A 20 LQ 510 ...
Page 215: ...REV A APPENDIX Figure A 27 SANPNL W Board Circuit Diagram LQ 510 A 21 ...
Page 216: ... w 3 0 4 CN1 14 18 22 I IP I9 3 1 2LSl39 2 6 8 2 4 9 TOM4 BOARD Y 4 5 4 2 0 9 0 0 0 0 0 ...
Page 220: ...h i ...
Page 221: ...REV A APPENDIX 506 Figure 14 32 Model 5710 Printer Mechanism Exploded Diagram A 29 ...
Page 222: ...APPENDIX REV A Figure A 33 C80006 Pull Tractor Exploded Diagram A 30 LQ 510 ...
Page 223: ... Y ...
Page 224: ...APPENDIX REV Figure A 35 LQ 510 Printer Cover A Case Outline Drawing A 32 LQ 510 ...
Page 225: ...APPENDIX REV A J 2 7 J Bl Figure A 36 LQ 510 Printer Cover B Case Outline Drawing LQ 510 A 33 ...