Service Call Conditions
M052/M053/M054 6-6
SM
195 D
Serial Number Mismatch
Serial number stored in the memory does not have the correct code.
NVRAM
defective
BCU replaced without original NVRAM
1. Reinstall
the
original
NVRAM in the replaced BCU.
2. Turn off and on the main power switch of the copier if a new NVRAM is
installed in the BCU.
SC2xx: Laser Exposure
202 D
Polygon motor error 1: ON timeout
The polygon mirror motor did not reach the targeted operating speed
within 10 sec. after turning on or changing speed
203 D
Polygon motor error 1: OFF timeout
The polygon mirror motor did not leave READY status within 3 sec. after
polygon motor switched off.
204 D
Polygon motor error 1: XSCRDY signal error
The XSCRDY signal remained HIGH four times consecutively while the
LD unit was firing.
Polygon motor/driver board harness loose or broken
Polygon motor/driver board defective
Laser unit defective
BICU
defective
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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