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7.11 Grease List...................................................................................................................... 7-52
7.12 Operational Items in Overhauling.................................................................................... 7-52
8. ERROR CODE AND TROUBLESHOOTING ................................................................ 8-1
8.1
General Descriptions......................................................................................................... 8-1
8.2
Error Code List .................................................................................................................. 8-2
8.2.1
Jam .................................................................................................................... 8-2
8.2.2
Service call ...................................................................................................... 8-12
8.2.3
Error in Internet FAX / Scanning Function ....................................................... 8-19
8.2.4
Printer function error ........................................................................................ 8-28
8.2.5
TopAccess related error .................................................................................. 8-30
8.2.6
MFP access error ............................................................................................ 8-31
8.2.7
Maintenance error............................................................................................ 8-33
8.2.8
Network error ................................................................................................... 8-35
8.2.9
Error history ..................................................................................................... 8-38
8.3
Diagnosis and Prescription for Each Error Code ............................................................ 8-40
8.3.1
Check item....................................................................................................... 8-40
8.3.2
Paper exit jam .................................................................................................. 8-41
8.3.3
Paper transport jam ......................................................................................... 8-42
8.3.4
Paper misfeeding............................................................................................. 8-55
8.3.5
Cover open jam ............................................................................................... 8-63
8.3.6
Other jam ......................................................................................................... 8-71
8.3.7
RADF jam ........................................................................................................ 8-76
8.3.8
Finisher jam ..................................................................................................... 8-82
8.3.9
Drive system related service call ................................................................... 8-117
8.3.10
Paper feeding system related service call ..................................................... 8-118
8.3.11
Scanning system related service call............................................................. 8-124
8.3.12
Process related service call ........................................................................... 8-127
8.3.13
Fuser unit related service call ........................................................................ 8-130
8.3.14
Optional communication related service call ................................................. 8-133
8.3.15
Circuit related service call.............................................................................. 8-136
8.3.16
Communication related service call ............................................................... 8-138
8.3.17
RADF related service call .............................................................................. 8-139
8.3.18
Laser optical unit related service call............................................................. 8-139
8.3.19
Finisher related service call ........................................................................... 8-140
8.3.20
Offset tray related service call ....................................................................... 8-176
8.3.21
Service call for others .................................................................................... 8-177
8.3.22
Error in Internet FAX / Scanning Function ..................................................... 8-192
8.3.23
Printer function error ...................................................................................... 8-225
8.3.24
TopAccess related error ................................................................................ 8-231
8.3.25
MFP access error .......................................................................................... 8-233
8.3.26
Maintenance error.......................................................................................... 8-241
8.3.27
Network error ................................................................................................. 8-251
8.4
Troubleshooting for the Image ...................................................................................... 8-261
8.4.1
Abnormality of image density / Gray balance ................................................ 8-261
8.4.2
Background fogging....................................................................................... 8-262
8.4.3
Moire/lack of sharpness................................................................................. 8-263
8.4.4
Toner offset.................................................................................................... 8-264
8.4.5
Blurred image ................................................................................................ 8-265
8.4.6
Poor fusing..................................................................................................... 8-266
8.4.7
Blank copy ..................................................................................................... 8-267
8.4.8
Solid copy ...................................................................................................... 8-268
8.4.9
White banding or white void(in the feeding direction) .................................... 8-269
8.4.10
White banding (at right angle with the feeding direction) ............................... 8-271
8.4.11
Skew (inclined image).................................................................................... 8-272
8.4.12
Black banding (in the feeding direction)......................................................... 8-273
8.4.13
Black banding (at right angle with the feeding direction) ............................... 8-274
8.4.14
White spots .................................................................................................... 8-275
8.4.15
Poor image transfer ....................................................................................... 8-276
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