Field Service Ver. 2.0 Jan. 2008 8. Jam display
39
SD-505
Troubleshooting
8.3.3 Paper bundle exit misfeed
A. Detection timing
B. Action
Type Description
Paper bundle misfeed
detection
The storage tray detecting sensor (PS3) is not turned OFF even after the
set period of time has elapsed after the exit motor (M4) is energized.
The saddle exit sensor (PS20) is not turned ON even after the set period of
time has elapsed after the exit motor (M4) is energized.
The saddle exit sensor (PS20) is not turned OFF even after the set period
of time has elapsed after the saddle exit sensor (PS20) is turned ON.
Relevant electrical parts
Storage tray detect sensor (PS3)
Saddle exit sensor (PS20)
Exit motor (M4)
Saddle exit motor (M8)
SD control board (SDCB)
Step Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1 Initial check items — —
2 PS3 I/O check, sensor check FSCB PJ14-8 (ON) FS-519 C-12
3 PS20 I/O check, sensor check SDCB PJ19-8 (ON) SD-505 B-2
4 M4 operation check FSCB PJ10-5 to 8 FS-519 C-3
5 M8 operation check SDCB PJ4-1 to 2 SD-505 G-6
6 Change SDCB — —
Y108482-2 Service Manual
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