Misfeed At Manual Bypass Feed Section - Konica Minolta bizhub C353P Service Manual

Field Service Ver. 1.0 Oct. 2007
19.3.5

Misfeed at manual bypass feed section

A. Detection timing
Type
Detection of • The leading edge of the paper does not turn ON the sensor in front of tim. roller
misfeed at manual
bypass feed section
Manual bypass • For paper fed from the manual bypass, loop forming has not been complete
feed section
loop registration
reversing jam
Manual bypass • For paper fed from the manual bypass, TOD permit continues to be disabled for
feed section
TOD permit waiting
jam
B. Action
Transport motor (M1)
Manual paper feed clutch (CL4)
Sensor in front of tim. roller (PS23)
Step
1 Initial check items
2 PS23 I/O check, sensor check
3 CL4 operation check
4 M1 operation check
5 Change PRCB
(PS23) even after the lapse of a given period of time after the manual bypass
tray starts to feed paper.
before a sheet enters the timing roller because the rise timing of load to perform
registration is earlier than the rise timing of load to form a loop.
a predetermined period of time after the timing of TOD output.
Relevant parts
Action
Description
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
PRCB CN1PRCB-3 (ON)
PRCB CN6PRCB-2 (ON)
PRCB CN34PRCB-10 (REM)
PRCB CN34PRCB-13 (LOCK)
—
19. Jam display
Location (Electri-
cal component)
—
D-18
D-1
D-22
—
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