2PX/2PY-1
1-5-10 Optical section .....................................................................................................................1-5-45
(1) Detaching and refitting the laser scanner unit ................................................................1-5-45
(2) Detaching and refitting the scanner unit.........................................................................1-5-48
(3) Detaching and refitting the image scanner unit ..............................................................1-5-52
1-5-11 Document processor ...........................................................................................................1-5-78
(1) Detaching and refitting the document processor............................................................1-5-78
(2) Detaching and refitting the DP paper feed pulley unit ....................................................1-5-82
(3) Detaching and refitting the DP separation pad...............................................................1-5-86
(4) Detaching and refitting the DP drive PWB......................................................................1-5-87
1-5-12 Others..................................................................................................................................1-5-88
(1) Detaching and refitting the paper conveying unit ...........................................................1-5-88
(2) Detaching and refitting the operation panel....................................................................1-5-90
(3) Detaching and refitting the power source inlet ...............................................................1-5-91
(4) Direction of installing the principal fan motors................................................................1-5-93
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware .........................................................................................................1-6-1
1-6-2 Remarks on engine PWB replacement .................................................................................1-6-3
2-1 Mechanical Construction
2-1-1 Paper feed/conveying section ...............................................................................................2-1-1
(1) Cassette paper feed section.............................................................................................2-1-1
(2) MP tray paper feed section...............................................................................................2-1-3
(3) Paper conveying section ..................................................................................................2-1-5
2-1-2 Drum section .........................................................................................................................2-1-7
2-1-3 Developing section ................................................................................................................2-1-9
2-1-4 Optical section .....................................................................................................................2-1-11
(1) Image scanner section ...................................................................................................2-1-11
(2) Laser scanner section ....................................................................................................2-1-14
2-1-5 Transfer/Separation section ................................................................................................2-1-16
(1) Intermediate transfer unit section ...................................................................................2-1-16
(2) Secondary transfer roller section....................................................................................2-1-18
2-1-6 Fuser section .......................................................................................................................2-1-19
2-1-7 Eject/Feedshift section ........................................................................................................2-1-21
2-1-8 Duplex conveying section....................................................................................................2-1-23
2-1-9 Document processor ...........................................................................................................2-1-25
(1) Original feed section.......................................................................................................2-1-25
(2) Original conveying section..............................................................................................2-1-27
(3) Original switchback/eject sections..................................................................................2-1-29
2-2 Electrical Parts Layout
2 2 1 El i l l ..........................................................................................2-2-1
..........................................................................................2-2-1
..........................................................................................2-2-4
(3) Motors...............................................................................................................................2-2-6
(4) Others...............................................................................................................................2-2-8
(5) Document processor ........................................................................................................2-2-9