Solution - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver.1.0 Mar. 2004
1.4

Solution

1.4.1 Tray3 Paper Take-Up section misfeed (PC-101/PC-201)
A. Detection timing
Type
The leading edge of the paper does not block the Tray3 Vertical Transport Sensor
(PC117-PF) even after the set period of time has elapsed after the Tray3 Paper
Feed Motor (M122-PF) is energized.
Tray3 Paper Take-
The Tray 2 Vertical Transport Sensor (PC108) is not blocked even after the lapse
Up section misfeed
of a given period of time after the Tray3 Vertical Transport Sensor (PC117-PF) has
detection
been blocked by a paper.
The Tray 3 Vertical Transport Sensor (PC117-PF) is not unblocked even after the
lapse of a given period of time after PC117-PF has been blocked by a paper.
The Tray3 Vertical Transport Sensor (PC117-PF) is blocked when the Power
Switch is set to ON, a door or cover is opened and closed, or a misfeed or mal-
Tray3
function is reset.
detection of paper
The Tray3 Paper Take-Up Sensor (PC116-PF) is blocked when the Power Switch
remaining
is set to ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
B. Action
Tray3 Paper Take-Up Sensor (PC116-PF)
Tray3 Vertical Transport Sensor (PC117-PF)
Tray2 Vertical Transport Sensor (PC108)
Tray3 Paper Feed Motor (M122-PF)
Step
1 Initial check items
2 PC116-PF I/O, sensor check
3 PC117-PF I/O, sensor check
4 PC108 I/O, sensor check
5 M122-PF operation check
6 PWB-C2 PF replacement
Relevant electrical parts
Action
4-3
Description
Main Control Board (PWB-C2 PF)
WIRING DIAGRAM
Control signal
-
PWB-C2 PF PJ6C2 PF-8
PWB-C2 PF PJ6C2 PF-11
PWB-Z PJ6Z-11
-
-
Jam Display
Location
(Electrical compo-
nents)
-
F-3
F-3
W-2
E-3
E-5