Service Call 501-582
D255/D256/M281/M282
6-42
SM
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
Connector pin defective
If the I/F connector pins of the fuser unit and the main unit
are deformed owing to foreign materials, replace the
connectors or the units including the connectors.
Triac defective
Disconnect the power cord and check that the resistance
between terminals T1 and T2 of the triac TRA31 and triac
TRA41 on the PSU are several Mega-Ohms and not
shorted. If failed, replace the PSU.
Fusing thermistor defective
Replace the fusing unit.
IOB defective
Replace the IOB.
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC581-00
C
Temperature Sensor Disconnected Error
The average of the output from the temperature sensor is
1019 or more for 160 ms.
The average of the output from the temperature sensor is
930 or more for 5 seconds.
Temperature sensor defective
IOB defective
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: ......
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Page 189: ...PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None ...
Page 190: ......
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Page 278: ...Laser Unit MP 501 601 D255 D256 M281 M282 4 84 SM 6 Remove the laser unit A ...
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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 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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