Misfeed At Fusing/Paper Exit Section - Konica Minolta bizhub 250 Service Manual

Field Service Ver. 1.0 Aug. 2005
18.3.4

Misfeed at Fusing/Paper Exit section

A. Detection Timing
Type
Detection of misfeed at
Fusing/Paper Exit section
Detection of paper left in
Fusing/Paper Exit section
B. Action
Synchronizing Roller Sensor (PC1)
Paper Exit Sensor (PC4)
Switch Back Unit Sensor (PC26)
Step
1 Initial check items
2 PC1 I/O check
3 PC4 I/O check
4 PC26 I/O check
5 Change PWB-A
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The Paper Exit Sensor (PC4) is not unblocked even after the set period of
time has elapsed after the Synchronizing Roller Sensor (PC1) has been
blocked by the paper.
The Switch Back Unit Sensor (PC26) is not unblocked even after the set
period of time has elapsed after the Paper Exit Sensor (PC4) has been
unblocked by the paper.
The Paper Exit Sensor (PC4) is blocked when the Main Power Switch is set
to ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Action
18. Jam Display
Description
WIRING DIAGRAM
Control Signal
-
PWB-A PJ11A-5 (ON)
PWB-A PJ18A-11 (ON)
PWB-A PJ19A-9 (ON)
-
Location
(Electrical
Component)
-
M-8
M-12
M-5
-
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