Diagnostic Information 2-53
4023-001
Finisher Service Checks
Finisher Power Service Check
Finisher Elevator Tray Service Check (993)
FRU Action
1Finisher Set
Switch S6
Ensure printer is ON and the interconnect cables
are plugged in and not damaged. Ensure the
finisher interlock set switch (S6) is activated and
has continuity. Replace if necessary.
2 Fuse (F1) Check fuse (F1) on the finisher main board (PWB-
A). Replace if necessary.
3•Printer/Fin-
isher Con-
necting
Cable
•Printer
Power Sup-
ply Unit
(PU1)
•Printer Main
Engine
Board
(PWB-A)
Check for the following voltages (approximate) on
the finisher main board PWB-A. Check for +24 Vdc
on connector PJ1A between pin 3 and pin 4
(ground). if voltage is not present, check the
connectors and cable to the printer power supply
unit (PU1). Replace as necessary. Check for +5
Vdc on connector PJ5A between pin 1 and ground
and pin 3 and ground. If voltage is not present,
check the connector on the printer main engine
board (PWB-A). Replace the printer main engine
board PWB-A if necessary. If voltages are correct
on PJ1 and PJ5A located on the finisher main
board (PWB-A) and the finisher does not POR,
replace the finisher main board PWB-A.
FRU Action
1 • Upper Sen-
sor PC8
• Lower Sen-
sor PC12
Indicates an elevator tray malfunction. Check the
elevator tray upper sensor PC8 and elevator tray
retract sensor PC12.
2•Gears
•Lift Wire
•Elevator
Tray Motor
(M9)
•PWB-H Fin-
isher
Check for damaged gears or lift wire. Replace as
necessary. If problem persists, replace the
following parts in the order given:
Elevator motor (M9)
PWB-A main finisher board
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