Field Service Ver. 1.0 Aug. 2005 9. Jam Display
39
FS-508/PU-501/OT-601
Troubleshooting
9.3.3 Finisher Staple Misfeed
A. Detection Timing
B. Action
9.3.4 Finisher Punch Misfeed (PU-501)
A. Detection Timing
B. Action
Type Description
Finisher Staple misfeed
detection
The Staple Home Position Sensor in the Staple Unit is not blocked even
after the set period of time has elapsed after the Staple Motor rotates for-
ward, and then the Staple Motor rotates backward, and the Staple Home
Position Sensor in the Staple Unit is blocked within the set period of time.
Relevant Electrical Parts
Staple Unit Main Control Board (PWB-A FN)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical Component)
1 Initial check items - -
2 Drive Coupling Section check - -
3 I/O Check - -
4 Change Staple Unit - -
5 Change PWB-A FN - -
Type Description
Finisher Punch misfeed
detection
Punch Positioning Sensors 1 and 2 are not blocked even after the set
period of time has elapsed after the Punch Motor is energized.
Relevant Electrical Parts
Punch Unit Main Control Board (PWB-A FN)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical Component)
1 Initial check items - -
2 Drive Coupling Section check - -
3 I/O Check - -
4 Change Punch Unit - -
5 Change PWB-A FN - -