2RV/2RW/2RX/2RY/3RA-1
(1-1) Detaching and reattaching the Paper feed roller........................................................ 4-5
(1-2) Detaching and reattaching the retard roller ................................................................ 4-6
(1-3) Detaching and reattaching the MP paper feed pulley ................................................ 4-8
(2) Developer section.............................................................................................................. 4-10
(2-1) Detaching and reattaching the developer unit.......................................................... 4-10
(3) Drum section ..................................................................................................................... 4-11
(3-1) Detaching and reattaching the drum unit ................................................................. 4-11
(3-2) Detaching and reattaching the main charger unit..................................................... 4-13
(4) Transfer section................................................................................................................. 4-14
(4-1) Detaching and reattaching the transfer roller unit .................................................... 4-14
(5) Fuser section ..................................................................................................................... 4-17
(5-1) Detaching and reattaching the fuser unit.................................................................. 4-17
4-4 Disassembly and Reassembly ............................................................................................... 4-21
(1) Outer covers ...................................................................................................................... 4-21
(1-1) Detaching and reattaching the left rear cover .......................................................... 4-21
(1-2) Detaching and reattaching the upper rear cover ...................................................... 4-21
(1-3) Detaching and reattaching the left cover.................................................................. 4-22
(1-4) Detaching and reattaching the right cover................................................................ 4-23
(1-5) Detaching and reattaching the front cover ............................................................... 4-24
(1-6) Detaching and reattaching the rear cover ................................................................ 4-25
(2) Optical section ................................................................................................................... 4-26
(2-1) Detaching and reattaching the laser scanner unit (LSU).......................................... 4-26
(3) Drive section...................................................................................................................... 4-33
(3-1) Detaching and reattaching the main motor .............................................................. 4-33
(3-2) Detaching and reattaching the fuser pressure release drive unit ............................. 4-37
(3-3) Detaching and reattaching the MP solenoid (front side) .......................................... 4-43
(3-4) Detaching reattaching the clutch. ............................................................................. 4-46
(3-5) Detaching and reattaching the eject solenoid .......................................................... 4-51
(4) Others................................................................................................................................ 4-60
(4-1) Detaching and reattaching the eraser ...................................................................... 4-60
(4-2) Fan motor attachment direction................................................................................ 4-62
(5) PWBs................................................................................................................................. 4-63
(5-1) Detaching and reattaching the main/engine PWB.................................................... 4-63
(5-2) Detaching and reattaching the high voltage PWB.................................................... 4-68
(5-3) Detaching and reattaching the low voltage power source PWB............................... 4-76
(5-4) Detaching and reattaching the Wi-Fi PWB............................................................... 4-81
(5-5) Detaching and reattaching the USB PWB................................................................ 4-82
4-5 Maintenance parts replacement procedures (option) ............................................................. 4-87
(1) Paper feeder...................................................................................................................... 4-87
(1-1) Detaching and reattaching the PF main PWB.......................................................... 4-87
(1-2) Detaching and reattaching PF conveying motor. ..................................................... 4-88
(1-3) Detaching and reattaching the PF clutch. ................................................................ 4-91
5Firmware
5-1 Firmware update (LCD model) ................................................................................................. 5-1
5-2 Firmware update (LED model) ................................................................................................. 5-5
6 Service modes
6-1 Service modes (LCD model) ....................................................................................................6-1
(1) Executing the service mode ................................................................................................ 6-1