2NC/2NF/2NG/2NN/3P7/3P8/3P9-6
1-5-10 Othes ................................................................................................................................... 1-5-74
(1) Detaching and refitting the rear cover ............................................................................ 1-5-74
(2) Detaching and refitting the rear sub cover...................................................................... 1-5-74
(3) Detaching and refitting the right upper cover.................................................................. 1-5-75
(4) Detaching and refitting the right rear cover .................................................................... 1-5-76
(5) Detaching and refitting the front upper cover ................................................................. 1-5-76
(6) Detaching and refitting the left cover .............................................................................. 1-5-77
(7) Detaching and refitting the front left cover...................................................................... 1-5-77
(8) Detaching and refitting the left tray and right tray........................................................... 1-5-78
(9) Detaching and refitting the exit rear cover...................................................................... 1-5-79
(10) Detaching and refitting the middle rear cover................................................................. 1-5-79
(11) Detaching and refitting the inner cover........................................................................... 1-5-80
(12) Detaching and refitting the language sheets .................................................................. 1-5-81
(13) Detaching and refitting the operation panel assembly.................................................... 1-5-82
(14) Detaching and refitting the cooling fan ........................................................................... 1-5-83
(15) Direction of installing the principal fan motors ................................................................ 1-5-83
1-5-11 Document processer (option) .............................................................................................. 1-5-84
(1) Original feed section....................................................................................................... 1-5-84
(1-1) Detaching and refitting the document processer................................................... 1-5-86
(1-2) Detaching and refitting the DP paper feed roller and DP separation pulley .......... 1-5-87
(1-3) Detaching and refitting the DP ragistration clutch ................................................. 1-5-90
(1-4) Detaching and refitting the drive motors................................................................ 1-5-91
(2) Original conveying section.............................................................................................. 1-5-92
(3) Original switchback/eject sections.................................................................................. 1-5-94
1-5-12 Paper feeder (option)........................................................................................................... 1-5-96
(1) Detaching and refitting the PF feed motor...................................................................... 1-5-98
(2) Detaching and refitting the PF feed clutch.................................................................... 1-5-100
(3) Detaching and refitting the paper feed holder .............................................................. 1-5-101
(4) Detaching and refitting the retard roller holder ............................................................. 1-5-103
2-1 Electrical Parts Layout
2-1-1 PWBs..................................................................................................................................... 2-1-1
2-1-2 Switches and sensors............................................................................................................ 2-1-3
2-1-3 Motors.................................................................................................................................... 2-1-5
2-1-4 Others .................................................................................................................................... 2-1-7
2-2 Operation of the PWBs
2-2-1 Upgrading the firmware ......................................................................................................... 2-2-1
2-2-2 Main/Engine PWB (M/EPWB) ............................................................................................... 2-2-3
(1) Connector position............................................................................................................ 2-2-3
(2) PWB photograph .............................................................................................................. 2-2-3
(3) Connector lists.................................................................................................................. 2-2-4
(4) Detaching and refitting the PWB. (M/EPWB) ................................................................. 2-2-11
(5) Remarks on main/engine PWB replacement.................................................................. 2-2-13
2-2-3 High voltage PWB(HVPWB)................................................................................................ 2-2-16
(1) Connector position.......................................................................................................... 2-2-16
(2) PWB photograph ............................................................................................................ 2-2-16
(3) Connector lists................................................................................................................2-2-17
(4) Detaching and refitting the PWB. (HVPWB)................................................................... 2-2-18
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