CHAPTER 5 PERIODIC MAINTENANCE
5-6
2.
PERIODICAL REPLACEMENT PARTS
Periodical replacement parts are the parts to be replaced periodically to maintain product
quality. These parts would affect the product quality greatly if they lost their function even if
they do not appear to be damaged or there is no change in their appearance.)
The periodical replacement parts listed below should be replaced at the service center
referring to the service life. For the procedures to replace these parts, refer to CHAPTER 4
“DISASSEMBLY AND RE-ASSEMBLY”.
Parts Name
Part No.
Qty
Service life
(Number of prints)
Replacement
Procedure
Fixing Unit (115V)
LJ1343001
1
200,000 pages
See below.
Fixing Unit (230V)
LJ1487001
1
200,000 pages
Paper Feeding Kit
(Separation Pad ASSY
and Paper Feed Roller
ASSY)
LJ0977001
1
100,000 pages
See
3.3 ‘PaperTray’ in
CHAPTER 4
for
Separation Pad ASSY
and
3.26 ‘Paper Feed’
in CHAPTER 4
for
Paper Feed Roller
ASSY.
Laser Unit
(Scanner Unit)
LJ1443001
1
200,000 pages
See
3.12 ‘Laser Unit’ in
CHAPTER 4
.
NOTE:
The above table shows only estimated values. They are subject to change without prior notice.
Fixing unit can be replaced by the following steps.
1) Remove the FU Protection cover.(Fig.4.19)
2) Loosen the two shoulder screws securing the Back cover ASSY.(Fig.4.30) Remove the
Back cover ASSY. (Fig.4.30)
3) Replace the Fixing Unit. Refer to the section 3.10 in CHAPTER 4.
Summary of Contents for HL-7050 Series
Page 29: ...HL 7050 SERVICE MANUAL 1 15 ...
Page 295: ...A 1 APPENDIX 1 CONNECTION DIAGRAM HL 7050 ...
Page 296: ...APPENDIX 2 MAIN PCB CIRCUIT DIAGRAM HL 7050 1 9 ...
Page 297: ...APPENDIX 3 MAIN PCB CIRCUIT DIAGRAM HL 7050 2 9 ...
Page 298: ...APPENDIX 4 MAIN PCB CIRCUIT DIAGRAM HL 7050 3 9 ...
Page 299: ...A 5 APPENDIX 5 MAIN PCB CIRCUIT DIAGRAM HL 7050 4 9 CODE NAME LJ9004001 B512149 CIR 4 9 ...
Page 300: ...A 6 APPENDIX 6 MAIN PCB CIRCUIT DIAGRAM HL 7050 5 9 CODE NAME LJ9004001 B512149 CIR 5 9 ...
Page 301: ...A 7 APPENDIX 7 MAIN PCB CIRCUIT DIAGRAM HL 7050 6 9 CODE NAME LJ9004001 B512149 CIR 6 9 ...
Page 302: ...A 8 APPENDIX 8 MAIN PCB CIRCUIT DIAGRAM HL 7050 7 9 CODE NAME LJ9004001 B512149 CIR 7 9 ...
Page 303: ...A 9 APPENDIX 9 MAIN PCB CIRCUIT DIAGRAM HL 7050 8 9 CODE NAME LJ9004001 B512149 CIR 8 9 ...
Page 304: ...A 10 APPENDIX 10 MAIN PCB CIRCUIT DIAGRAM HL 7050 9 9 CODE NAME LJ9004001 B512149 CIR 9 9 ...
Page 305: ...A 11 APPENDIX 11 ENGINE PCB CIRCUIT DIAGRAM HL 7050 1 3 CODE NAME LJ9016001 B512139 CIR 1 3 ...
Page 306: ...A 12 APPENDIX 12 ENGINE PCB CIRCUIT DIAGRAM HL 7050 2 3 CODE NAME LJ9016001 B512139 CIR 2 3 ...
Page 307: ...A 13 APPENDIX 13 ENGINE PCB CIRCUIT DIAGRAM HL 7050 3 3 CODE NAME LJ9016001 B512139 CIR 3 3 ...
Page 316: ...APPENDIX A 22 Fig A 2 Page counter is printed here This not printed in some countries ...
