Field Service Ver. 2.0 Jan. 2008 8. Jam display
41
SD-505
Troubleshooting
8.3.5 Creasing section misfeed
A. Detection timing
B. Action
Type Description
Creasing section
misfeed detection
The entrance sensor (PS1) is not turned ON even after the set period of
time has elapsed after the entrance motor (M1) is energized (beginning of
backward rotation operation).
The entrance sensor (PS1) is not turned OFF even after the set period of
time has elapsed after the entrance motor (M1) is energized (beginning of
forward rotation operation).
Relevant electrical parts
Entrance sensor (PS1)
Entrance motor (M1)
SD control board (SDCB)
Step Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1 Initial check items — —
2 PS1 I/O check, sensor check FSCB PJ19-11 (ON) FS-519 C-7
3 M1 operation check FSCB PJ9-1 to 4 FS-519 C-6 to 7
4 Change SDCB — —
Y108482-2 Service Manual
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