2WA/2NJ/2RK
(8-2) Tri-folding position adjustment for the folding unit.................................................. 3-111
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
4-2 Maintenance parts .................................................................................................................... 4-2
(1) Maintenance kits.................................................................................................................. 4-2
(2) Executing the maintenance mode after replacing the maintenance kit ............................... 4-4
4-3 Maintenance parts replacement procedures ............................................................................ 4-6
(1) Cassette paper feed section................................................................................................ 4-6
(1-1) Detaching and reattaching the forwarding pulley/paper feed pulley/
v separation pulley ........................................................................................................ 4-6
(1-2) Detaching and reattaching the PF forwarding pulley (right)/
PF paper feed pulley (right)/PF separation pulley (right).......................................... 4-10
(1-3) Detaching and reattaching the PF forwarding pulley (left)/
PF paper feed pulley (left)/PF separation pulley (left) .............................................. 4-13
(2) MP paper feed section....................................................................................................... 4-17
(2-1) Detaching and reattaching the MP tray paper feed unit ........................................... 4-17
(2-2) Detaching and reattaching the MP forwarding pulley/MP paper feed pulley/
MP separation pulley................................................................................................ 4-21
(3) Transfer section................................................................................................................. 4-26
(3-1) Detaching and reattaching the conveying unit ......................................................... 4-26
(3-2) Detaching and reattaching the transfer belt unit....................................................... 4-28
(4) Developer section/Drum section........................................................................................ 4-30
(4-1) Detaching and reattaching the inner unit.................................................................. 4-30
(4-2) Detaching and reattaching the developer unit.......................................................... 4-33
(4-3) Detaching and reattaching the drum unit ................................................................. 4-35
(4-4) Detaching and reattaching the main charge roller unit............................................. 4-37
(4-5) Detaching and reattaching the drum cover .............................................................. 4-38
(5) Fuser section ..................................................................................................................... 4-42
(5-1) Detaching and reattaching the fuser unit.................................................................. 4-42
(6) Document processor ......................................................................................................... 4-44
(6-1) Detaching and reattaching the DP pickup pulley and DP paper feed roller ............. 4-44
(6-2) Detaching and reattaching the DP separation pulley ............................................... 4-46
(7) Others................................................................................................................................ 4-47
(7-1) Detaching and reattaching the eject filters ............................................................... 4-47
(7-2) Detaching and reattaching the left filter.................................................................... 4-48
(7-3) Detaching and reattaching the drum filter and developer filter................................. 4-49
(7-4) Detaching and reattaching the transfer belt filter...................................................... 4-50
(7-5) Detaching and reattaching the LSU filter.................................................................. 4-51
(7-6) Detaching and reattaching the waste toner box ....................................................... 4-52
4-4 Maintenance parts replacement procedures (option) ............................................................. 4-54
(1) Paper feeder (PF-730(B)).................................................................................................. 4-54
(1-1) Detaching and reattaching the PF forwarding pulley/PF paper feed pulley/
PF separation pulley................................................................................................. 4-54
(2) Paper feeder (PF-740(B)).................................................................................................. 4-59
(2-1) Detaching and reattaching the PF forwarding pulley (right)/
PF paper feed pulley (right)/PF separation pulley (right).......................................... 4-59
(2-2) Detaching and reattaching the PF forwarding pulley (left)/
PF paper feed pulley (left)/PF separation pulley (left) .............................................. 4-64