2-1 Mechanical construction
2-1-1 Paper feed section ..................................................................................................................................2-1-1
2-1-2 Main charging section .............................................................................................................................2-1-4
2-1-3 Optical section ........................................................................................................................................2-1-5
(1) Image scanner section ......................................................................................................................2-1-5
(2) Laser scanner section .......................................................................................................................2-1-7
2-1-4 Developing section..................................................................................................................................2-1-9
2-1-7 Fuser section ........................................................................................................................................2-1-14
2-1-9 Duplex section ......................................................................................................................................2-1-17
2-2-1 Electrical parts layout..............................................................................................................................2-2-1
(1) PWBs ................................................................................................................................................2-2-1
(2) Switches and sensors .......................................................................................................................2-2-3
(3) Motors ...............................................................................................................................................2-2-5
(4) Clutches and solenoids .....................................................................................................................2-2-7
2-3 Operation of the PWBs
2-3-1 Power source PWB.................................................................................................................................2-3-1
2-3-2 Engine PWB............................................................................................................................................2-3-4
2-3-3 Main PWB .............................................................................................................................................2-3-13
2-3-4 Main operation unit PWB ......................................................................................................................2-3-17
2-4 Appendixes
Maintenance parts list .............................................................................................................................2-4-1
Maintenance kits .....................................................................................................................................2-4-2
General wiring diagram...........................................................................................................................2-4-9
UG-30
2H0/2HZ-2