Misfeed At Duplex Pre-Registration Section - Konica Minolta bizhub C353P Service Manual

19. Jam display
19.3.6

Misfeed at duplex pre-registration 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 duplex
pre-registration
section
Duplex pre-regis- • For the second-side feed of paper in the duplex mode, loop forming has not
tration section loop
registration revers-
ing jam detection
Duplex pre-regis- • For the second-side feed of paper in the duplex mode, TOD permit continues to
tration section
TOD permit waiting
jam
B. Action
Transport motor (M1)
Duplex transport motor (M7)
Sensor in front of tim. roller (PS23)
Step
1 Initial check items
2 PS23 I/O check, sensor check
3 M1 operation check
4 M7 operation check
5 Change PRCB
398
(PS23) even after the lapse of a given period of time after a duplex paper feed
sequence has been started.
been complete before the second side of 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.
be disabled for a predetermined period of time after the timing of TOD output.
Relevant parts
Action
Field Service Ver. 1.0 Oct. 2007
Description
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
PRCB CN1PRCB-3 (ON)
PRCB CN34PRCB-10 (REM)
PRCB CN34PRCB-13 (LOCK)
PRCB CN4PRCB-1 to 4
—
Location (Electri-
cal component)
—
D-18
D-22
D-3
—