Service Call Conditions
SM 6-13
M052/M053/M054
T
rouble
-
shooting
622
D
Paper tray unit communication error
623
D
2nd Paper tray unit communication error
624
D
3rd Paper tray unit communication error
- -
While the BICU communicates with an optional unit, an SC code is
displayed if one of following conditions occurs.
The BICU receives the break signal which is generated by the
peripherals only just after the main switch is turned on.
When the BICU does not receive an OK signal from a peripheral after
sending a command to it.
Harness disconnected or broken
BICU
defective
External
noise
Main board defective in the peripherals
641
CTL
D
BICU control data transfer abnormal
A sampling of the control data sent from the BCU reveals an
abnormality.
Controller board defective
External
noise
BCU board defective
Check the connection between the controller board and BICU.
Replace the controller board.
Replace the BICU.
Summary of Contents for M052
Page 1: ...M052 M053 M054 SERVICE MANUAL ...
Page 15: ......
Page 20: ...PRODUCT INFORMATION REVISION HISTORY Page Date Added Updated New None ...
Page 21: ......
Page 31: ......
Page 76: ......
Page 77: ...PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None ...
Page 78: ......
Page 82: ......
Page 210: ...1 Bin Tray Unit M052 M053 M054 4 128 SM 10 Remove two screws A ...
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Page 466: ......
Page 467: ...ENERGY SAVING REVISION HISTORY Page Date Added Updated New None ...
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Page 474: ...M052 M053 M054 SERVICE MANUAL APPENDICES ...
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Page 496: ...APPENDIX PREVENTIVE MAINTENANCE TABLES REVISION HISTORY Page Date Added Updated New None ...
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Page 501: ...M381 FAX OPTION TYPE SP5200 REVISION HISTORY Page Date Added Updated New None ...
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