Tray 4 Take-Up And Vertical Transport Misfeed (Pc202) - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
15.3.6

Tray 4 Take-up and Vertical Transport Misfeed (PC202)

A. Detection Timing
Type
The leading edge of the paper does not block the Tray 4 Vertical Transport Sensor
(PC126-PF) even after the lapse of a given period of time after the Tray 4 Paper
Misfeed detected at
Feed Motor has been energized.
Tray 4 take-up or
Vertical Transport
The Tray 3 Vertical Transport Sensor (PC117-PF) is not blocked even after the
Section
lapse of a given period of time after the paper has blocked the Tray 4 Vertical
Transport Sensor (PC126-PF).
The Tray 4 Vertical Transport Sensor (PC126-PF) is blocked when the Main Power
Switch is turned ON, a door or cover is opened and closed, or a misfeed or mal-
function is reset.
Paper left at Tray 4
The Tray 4 Paper Take-Up Sensor (PC125-PF) is blocked when the Main Power
Switch is turned ON, a door or cover is opened and closed, or a misfeed or mal-
function is reset.
Misfeed detected
as a result of The Tray 4 Paper Take-Up Sensor (PC125-PF) is not unblocked even after the
delayed deactiva- lapse of a given period of time after it has been blocked by the paper.
tion of sensor
B. Action
Tray 4 Paper Take-Up Sensor (PC125-PF)
Tray 4 Vertical Transport Sensor (PC126-PF)
Tray 3 Vertical Transport Sensor (PC117-PF)
Tray 4 Paper Feed Motor (M123-PF)
Step
1 Initial check items
2 PC125-PF I/O check, Sensor check
3 PC126-PF I/O check, Sensor check
4 PC117-PF I/O check, Sensor check
5 M123-PF operation check
6 Change PWB-C2 PF
Relevant Electrical Parts
Main Control Board (PWB-C2 PF)
Action
Description
WIRING DIAGRAM
Control Signal
—
PWB-C2 PF PJ10C2PF-8
(ON)
PWB-C2 PF PJ11C2PF-2
(ON)
PWB-C2 PF PJ6C2PF-11
(ON)
PWB-C2 PF PJ9C2PF-1 to 4
—
15. Jam Display
Location
(Electrical
Component)
—
PC-202 G-6
PC-202 G-6
PC-202 C-4
PC-202
G to H-6 to 7
—
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