2C9-4
(14) Offset occurs. ..................................................................................................................................1-5-25
(15) Image is partly missing....................................................................................................................1-5-26
(16) Fixing is poor...................................................................................................................................1-5-26
(17) Image is out of focus. ......................................................................................................................1-5-26
(18) Image center does not align with the original center. ......................................................................1-5-27
1-5-4 Electric problems ..................................................................................................................................1-5-28
(1) The machine does not operate when the power switch is turned on. .............................................1-5-28
(2) The drive motor does not operate (C2000). ....................................................................................1-5-28
(3) The registration motor does not operate. ........................................................................................1-5-28
(4) The exit motor does not operate. ....................................................................................................1-5-28
(5) The scanner motor does not operate. .............................................................................................1-5-29
(6) Cooling fan motor 1 does not operate.............................................................................................1-5-29
(7) Cooling fan motor 2 does not operate.............................................................................................1-5-29
(8) The paper feed clutch does not operate..........................................................................................1-5-29
(9) The bypass paper feed solenoid does not operate. ........................................................................1-5-29
(10) The cleaning lamp does not turn on................................................................................................1-5-29
(11) The exposure lamp does not turn on...............................................................................................1-5-29
(12) The exposure lamp does not turn off...............................................................................................1-5-30
(13) The fixing heater does not turn on (C6000).....................................................................................1-5-30
(14) The fixing heater does not turn off...................................................................................................1-5-30
(15) Main charging is not performed.......................................................................................................1-5-30
(16) Transfer charging is not performed. ................................................................................................1-5-30
(17) No developing bias is output. ..........................................................................................................1-5-30
(18) The original size is not detected......................................................................................................1-5-30
(19) The original size is not detected correctly. ......................................................................................1-5-30
(20) The message requesting paper to be loaded is shown when paper is present in the drawer.........1-5-31
(21) The size of paper in the drawer is not displayed correctly. .............................................................1-5
-31
(22) A paper jam in the paper feed, paper conveying or fixing section is indicated when
the power switch is turned on..........................................................................................................1-5-31
(23) The message requesting covers to be closed is displayed when the front cover and
left cover are closed. .......................................................................................................................1-5-31
(24) Others..............................................................................................................................................1-5-31
1-5-5 Mechanical problems............................................................................................................................1-5-32
(1) No primary paper feed.....................................................................................................................1-5-32
(2) No secondary paper feed. ...............................................................................................................1-5-32
(3) Skewed paper feed. ........................................................................................................................1-5-32
(4) The scanner does not travel............................................................................................................1-5-32
(5) Multiple sheets of paper are fed at one time. ..................................................................................1-5-32
(6) Paper jams. .....................................................................................................................................1-5-32
(7) Toner drops on the paper conveying path.......................................................................................1-5-32
(8) Abnormal noise is heard..................................................................................................................1-5-32
1-6 Assembly and Disassembly
1-6-1 Precautions for assembly and disassembly............................................................................................1-6-1
(1) Precautions .......................................................................................................................................1-6-1
(2) Running a maintenance item.............................................................................................................1-6-2
1-6-2 Paper feed section..................................................................................................................................1-6-3
(1) Detaching and refitting the separation pulley ....................................................................................1-6-3
(2) Detaching and refitting the forwarding pulley and paper feed pulley.................................................1-6-5
(3) Detaching and refitting the paper conveying unit ..............................................................................1-6-7
(4) Detaching and refitting the bypass paper feed pulley and bypass separation pad ...........................1-6-9
(5) Detaching and refitting the registration left roller.............................................................................1-6-11
(6) Detaching and refitting the registration cleaner...............................................................................1-6-11
(7) Adjustment after roller and clutch replacement ...............................................................................1-6-12
(7-1) Adjusting the leading edge registration of image printing........................................................1-6-12
(7-2) Adjusting the leading edge registration for memory image printing ........................................1-6-13
(7-3) Adjusting the center line of image printing ..............................................................................1-6-14
(7-4) Adjusting the trailing edge margin of image printing ...............................................................1-6-15
(7-5) Adjusting the margins for printing............................................................................................1-6-15
(7-6) Adjusting the amount of slack in the paper .............................................................................1-6-16
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