Assembly And Disassembly - Kyocera KM-1620 Service Manual

2C9-2
(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 Electrical 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 clutch 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 margins for printing ........................................................................................ 1-6-15
(7-5) Adjusting the amount of slack in the paper .......................................................................... 1-6-16