Vertical light bands check.........................................................................................................................................50
Vertical dark bands check.......................................................................................................................................... 51
Vertical dark streaks with print missing check .................................................................................................... 53
White streaks and voided areas check .................................................................................................................55
Fine lines are not printed correctly (specifically Chinese characters) check ..............................................58
Clipped pages or images check..............................................................................................................................59
Compressed images appear on prints check....................................................................................................... 61
Incorrect margins on prints check .......................................................................................................................... 62
Toner rubs o check................................................................................................................................................... 63
Toner specks appear on prints check.................................................................................................................... 64
Paper jams...........................................................................................................................................................66
Avoiding jams...............................................................................................................................................................66
Identifying jam locations............................................................................................................................................ 67
Paper jam in door A .................................................................................................................................................... 68
Paper jam in the rear door ..........................................................................................................................................71
Paper jam in the standard bin.................................................................................................................................. 72
Paper jam in the duplex unit......................................................................................................................................73
Paper jam in trays.........................................................................................................................................................74
Paper jam in the multipurpose feeder ....................................................................................................................74
200 paper jams............................................................................................................................................................ 75
202 paper jams............................................................................................................................................................ 86
230 paper jams............................................................................................................................................................90
240-241 paper jams .................................................................................................................................................... 93
242-244 paper jams ................................................................................................................................................... 97
User attendance messages (0–99.99)...................................................................................................... 102
User attendance messages.....................................................................................................................................102
Unsupported or unresponsive toner cartridge service check .......................................................................103
Unsupported or unresponsive imaging unit service check ............................................................................105
Mismatched supplies error service check...........................................................................................................106
Maintenance kit low service check........................................................................................................................106
Printer hardware errors.................................................................................................................................. 107
111 errors........................................................................................................................................................................107
121 errors.......................................................................................................................................................................108
126 errors.......................................................................................................................................................................114
128 errors.......................................................................................................................................................................116
133 errors.......................................................................................................................................................................119
140 errors......................................................................................................................................................................120
155 errors.......................................................................................................................................................................121
16y errors ......................................................................................................................................................................122
171 errors .......................................................................................................................................................................127
6yy errors......................................................................................................................................................................128
Procedure before starting the 9yy service checks ...........................................................................................130
900 errors ....................................................................................................................................................................132
4600-830, -835, -895
Table of contents
4