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2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ............................................................................................................ 2-2-1
(1) PWBs................................................................................................................................ 2-2-1
(2) Switches and sensors....................................................................................................... 2-2-5
(3) Motors............................................................................................................................... 2-2-7
(4) Others............................................................................................................................... 2-2-9
2-3 Operation of the PWBs
2-3-1 Main PWB.............................................................................................................................. 2-3-1
2-3-2 Engine PWB ........................................................................................................................ 2-3-10
2-3-3 Engine connect PWB........................................................................................................... 2-3-25
2-3-4 ISC PWB ............................................................................................................................. 2-3-32
2-3-5 IH PWB ................................................................................................................................ 2-3-37
2-3-6 Operation panel PWB main ................................................................................................. 2-3-40
2-3-7 Power source PWB ............................................................................................................. 2-3-45
2-4 Appendixes
2-4-1 Appendixes ............................................................................................................................ 2-4-1
(1) List of maintenance parts ................................................................................................. 2-4-1
(2) Maintenance kits............................................................................................................... 2-4-2
(3) Periodic maintenance procedures .................................................................................... 2-4-3
(4) Repetitive defects gauge .................................................................................................. 2-4-6
(5) Firmware environment commands ................................................................................... 2-4-7
(6) System Error (Fxxxx) Outline ......................................................................................... 2-4-14
(7) Chart of image adjustment procedures .......................................................................... 2-4-19
(8) Wiring diagram ............................................................................................................... 2-4-21
Installation Guide
DP-770(B) / (Document processor)
DP-772 / (Document processor)
DP-773 (Document processor)
PF-791 (500 x 2 Paper feeder)
PF-810 (3000-sheets deck)
DF-770(D) (Document finisher)
AK-740 (Bridge unit)
PH-7A/C/D (Punch unit)
DT-730(B) (Document tray)
FAX System (W) B
2NP-5
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