2WA/2NJ/2RK
(7-4) Detaching and reattaching the main high-voltage PWB......................................... 4-187
(8) Detaching and reattaching the IH PWB........................................................................... 4-193
(8-1) Detaching and reattaching the operation panel PWB ............................................ 4-200
(9) Detaching and reattaching the PF main PWB and PF power source PWB..................... 4-204
(10) Document processor ....................................................................................................... 4-206
(10-1) Detaching and reattaching the document processor.............................................. 4-206
(10-2) Detaching and reattaching the DP rear cover ........................................................ 4-208
(10-3) Detaching and reattaching the DP main PWB ....................................................... 4-209
(10-4) Detaching and reattaching the CIS ........................................................................ 4-210
(10-5) Adjusting the angle of leading edge ....................................................................... 4-214
(10-6) Adjusting the angle of trailing edge ........................................................................ 4-217
(10-7) Adjusting the hinge................................................................................................. 4-221
4-7 Disassembly & Reassembly (option) .................................................................................... 4-222
(1) Paper feeder (PF-730(B))................................................................................................ 4-222
(1-1) Detaching and reattaching the PF main PWB........................................................ 4-222
(1-2) Detaching and reattaching the PF drive unit .......................................................... 4-224
(2) Paper feeder (PF-740(B))................................................................................................ 4-226
(2-1) Detaching and reattaching the PF main PWB........................................................ 4-226
(2-2) Detaching and reattaching the PF drive unit .......................................................... 4-228
(2-3) Detaching and reattaching the PF lift motor ........................................................... 4-230
(3) Side feeder (PF-7120) ..................................................................................................... 4-231
(3-1) Detaching and reattaching the PF drive unit .......................................................... 4-231
(3-2) Detaching and reattaching the PF lift motor ........................................................... 4-232
(3-3) Detaching and reattaching the PF main PWB........................................................ 4-234
(4) Side Multi Feeder (PF-7130) ........................................................................................... 4-235
(4-1) Detaching and reattaching the PF drive unit .......................................................... 4-235
(4-2) Detaching and reattaching the lift motor................................................................. 4-237
(4-3) Detaching and reattaching the PF main PWB........................................................ 4-238
(5) 4000-sheet Finisher (DF-7110) ....................................................................................... 4-240
(5-1) Detaching and reattaching the staple unit .............................................................. 4-240
(5-2) Detaching and reattaching the DF main PWB........................................................ 4-242
4-8 Periodic maintenance Procedures........................................................................................ 4-244
(1) Main body ........................................................................................................................ 4-244
(2) Option .............................................................................................................................. 4-250
(2-1) PF-730(B)............................................................................................................... 4-250
(2-2) PF-740(B)............................................................................................................... 4-251
(2-3) PF-7120.................................................................................................................. 4-252
(2-4) PF-7130.................................................................................................................. 4-253
(2-5) DF-7110 ................................................................................................................. 4-254
(2-6) BF-730....................................................................................................................4-256
(2-7) MT-730(B) .............................................................................................................. 4-258
(2-8) PH-7A/7B/7C/7D .................................................................................................... 4-259
5Firmware
5-1 Firmware update....................................................................................................................... 5-1
6 Maintenance mode
6-1 Maintenance mode ................................................................................................................... 6-1
(1) Executing the maintenance mode ....................................................................................... 6-1
(2) Maintenance modes list ......................................................................................................6-2
(2-1) Content of the maintenance mode ............................................................................. 6-9
7Troubleshooting
7-1 Image formation problems ........................................................................................................ 7-1