Lct Take-Up And Vertical Transport Misfeed (Pc-401) - Konica Minolta bizhub C350 Service Manual

Jam Display
1.3.4

LCT Take-up and Vertical Transport Misfeed (PC-401)

A. Detection Timing
Type
The leading edge of the paper does not block the LCT Transport Roller Motor (PC2-
LCT) even after the lapse of a given period of time after the Paper Feed Motor has
Misfeed detected
been energized.
at LCT take-up or
Vertical Trans-
The Tray2 Vertical Transport Sensor (PC108) is not blocked even after the lapse of a
port Section
given period of time after the paper has blocked the LCT Transport Roller Motor
(PC2-LCT).
The LCT Vertical Transport Sensor (PC2-LCT) is blocked when the Power Switch is
turned ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Paper left at LCT
The Paper Feed Sensor (PC1-LCT) is blocked when the Power Switch is turned ON,
a door or cover is opened and closed, or a misfeed or malfunction is reset.
Misfeed detected
as a result of The Tray2 Vertical Transport Sensor (PC108) is not unblocked even after the lapse
delayed deacti- of a given period of time after it has been blocked by the paper.
vation of sensor
B. Action
Paper Feed Sensor (PC1-LCT)
LCT Vertical Transport Sensor (PC2-LCT)
Tray2 Vertical Transport Sensor (PC108)
Paper Feed Motor (M1-LCT)
Step
1 Initial check items
2 PC1-LCT I/O check, Sensor check
3 PC2-LCT I/O check, Sensor check
4 PC108 I/O check, Sensor check
5 M1-LCT operation check
6 Change PWB-C1 LCT
4-8
bizhub C350 Field Service Ver2.0 Sep. 2004
Relevant Electrical Parts
Main Control Board (PWB-C1 LCT)
Action
Description
WIRING DIAGRAM
Control Signal
—
PWB-C1 LCT PJ5C1 LCT-2
PWB-C1 LCT PJ5C1 LCT-5
PWB-MC PJ12MC-6A (ON)
PWB-C1 LCT PJ6C1 LCT-1 ~ 4 PC-401 6-D
—
Location
(Electrical
Component)
—
PC-401 6-C
PC-401 6-C
2-R
—