2RV/2RW/2RX/2RY/3RA-1
(1-1) Machine left side ........................................................................................................ 3-2
(1-2) Machine right side ...................................................................................................... 3-3
(1-3) Paper feeder (option) ................................................................................................. 3-4
(2) Descriptions about the major PWBs.................................................................................... 3-5
(2-1) Main/Engine PWB ...................................................................................................... 3-5
(2-2) High-voltage PWB ...................................................................................................... 3-5
(2-3) Power source PWB .................................................................................................... 3-5
(2-4) Operation panel PWB (LCD) ...................................................................................... 3-6
(2-5) Operation panel PWB (LED) ...................................................................................... 3-6
(3) Electric parts layout ............................................................................................................. 3-7
(3-1) PWBs ......................................................................................................................... 3-7
(3-2) Sensors and Switches.............................................................................................. 3-10
(3-3) Motors ...................................................................................................................... 3-13
(3-4) Others....................................................................................................................... 3-15
3-3 Drive system ........................................................................................................................... 3-17
(1) Drive system for the paper conveying ............................................................................... 3-17
(2) Each section drive ............................................................................................................. 3-18
(2-1) Primary paper feed drive .......................................................................................... 3-18
(2-2) Drum drive................................................................................................................3-18
(2-3) Developer drive ........................................................................................................ 3-19
(2-4) Fuser unit drive......................................................................................................... 3-19
3-4 Mechanical construction ......................................................................................................... 3-20
(1) Paper feed section............................................................................................................. 3-20
(1-1) Cassette paper feed section..................................................................................... 3-20
(1-2) MP tray paper feed section ...................................................................................... 3-22
(2) Optical section ................................................................................................................... 3-24
(2-1) Laser scanner unit.................................................................................................... 3-24
(3) Developer section.............................................................................................................. 3-26
(3-1) Developer unit .......................................................................................................... 3-26
(4) Drum section ..................................................................................................................... 3-28
(4-1) Main charger unit...................................................................................................... 3-28
(4-2) Cleaning ................................................................................................................... 3-28
(5) Conveying/Transfer and Separation section ..................................................................... 3-30
(6) Fuser section ..................................................................................................................... 3-32
(7) Eject and feedshift section................................................................................................. 3-34
(8) Duplex conveying section.................................................................................................. 3-36
(9) Paper feeder (option)......................................................................................................... 3-38
4 Maintenance
4-1 Precautions for the maintenance..............................................................................................4-1
(1) Precautions.......................................................................................................................... 4-1
(2) Storage and handling of the drum ....................................................................................... 4-1
(3) Storage of the toner container ............................................................................................. 4-1
(4) Screening of the toner container ......................................................................................... 4-2
4-2 Maintenance parts .................................................................................................................... 4-3
(1) Maintenance kits.................................................................................................................. 4-3
(2) Executing the maintenance mode after replacing the maintenance kit ............................... 4-3
(3) Maintenance parts list.......................................................................................................... 4-3
(4) Periodic maintenance Procedures....................................................................................... 4-4
4-3 Maintenance parts replacement procedures ............................................................................ 4-5
(1) Cassette paper feed section................................................................................................ 4-5