Service Call 202-270
SM
6-15
D255/D256/M281/M282
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SC No.
Type
Error Name/Error Condition/Major Cause/Solution
Laser unit defective (Synchronization optical system
defective, LDB defective, LD defective)
BiCU defective (Image writing ASIC defective)
IOB defective
LDB – IOB, IOB – BiCU harness broken, or connector
disconnected
1. Turn the main power OFF/ON.
2. Check for condensation on the mirrors and lenses.
3. Reconnect the connectors between LDB and IOB, and
between IOB and BiCU.
4. Replace the laser unit.
5. Replace the BiCU.
6. Replace the harness between LDB and IOB, and between
IOB and BiCU.
7. Replace the IOB.
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC270-00
D
GAVD Communication Error
The communication is not performed normally between CPU
and image writing ASIC.
Error detection timing; Only when initial setting is executed.
Image writing ASIC defective
Interface circuit between CPU and image writing ASIC
defective
1. Turn the main power OFF/ON.
2. Replace the BiCU.
Summary of Contents for M281 Series
Page 1: ...D255 D256 M281 M282 SERVICE MANUAL ...
Page 16: ......
Page 20: ......
Page 21: ...PRODUCT INFORMATION REVISION HISTORY Page Date Added Updated New None ...
Page 22: ......
Page 28: ......
Page 189: ...PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None ...
Page 190: ......
Page 194: ......
Page 278: ...Laser Unit MP 501 601 D255 D256 M281 M282 4 84 SM 6 Remove the laser unit A ...
Page 370: ......
Page 436: ......
Page 438: ......
Page 442: ...Self Diagnostic Mode D255 D256 M281 M282 6 4 SM ...
Page 563: ...DETAILED DESCRIPTIONS REVISION HISTORY Page Date Added Updated New None ...
Page 564: ......
Page 585: ...Fusing Unit SM 7 21 D255 D256 M281 M282 Detailed Descriptions ...
Page 587: ...Paper Exit Unit SM 7 23 D255 D256 M281 M282 Detailed Descriptions ...
Page 590: ...Paper Feed Unit D255 D256 M281 M282 7 26 SM ...
Page 593: ...ARDF MP 501 601 Only SM 7 29 D255 D256 M281 M282 Detailed Descriptions ...
Page 595: ...ARDF MP 501 601 Only SM 7 31 D255 D256 M281 M282 Detailed Descriptions ...
Page 599: ...D255 D256 M281 M282 SERVICE MANUAL APPENDICES ...
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Page 604: ......
Page 605: ...APPENDIX SPECIFICATIONS REVISION HISTORY Page Date Added Updated New None ...
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Page 633: ...PREVENTIVE MAINTENANCE TABLES REVISION HISTORY Page Date Added Updated New None ...
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Page 807: ...SOFTWARE CONFIGURATION REVISION HISTORY Page Date Added Updated New None ...
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