Stapler Section Misfeed; Horizontal Transport Section Misfeed - Konica Minolta bizhub C250 Service Manual

Field Service Ver. 1.0 Jul. 2005
8.3.7

Stapler section misfeed

A. Detection timing
Type
Stapler section The Stapler does not return to its home position within a given period of time after
misfeed detection the forward drive of the Stapler has been started.
B. Action
Staple Home Position Sensor (PC14-FN)
Stapling Unit Moving Motor (M6-FN)
Step
1 Initial check items
2 PC14-FN I/O, sensor check
3 M6-FN operation check
4 Stapling Unit replacement
5 PWB-A FN replacement
8.3.8

Horizontal Transport section misfeed

A. Detection timing
Type
The Paper Sensor (PC1-HO) of the Horizontal Transport Unit is not blocked even
after the lapse of a given period of time after the leading edge of the paper has
Horizontal
unblocked the Paper Exit Sensor of the main unit.
Transport section
The Paper Sensor (PC1-HO) of the Horizontal Transport Unit is not unblocked
misfeed detection
even after the lapse of a given period of time after the leading edge of the paper
has blocked the Paper Sensor (PC1-HO).
B. Action
Paper Sensor (PC1-HO)
Turnover Empty Sensor (PC6-HO)
Step
1 Initial check items
2 Horizontal Transport section gear check
3 PC1-HO I/O, sensor check
4 PC6-HO I/O, sensor check
5 PWB-A FN replacement
Relevant electrical parts
Action
Relevant electrical parts
Action
Description
Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
—
PWB-A FN PJ22A-3 (ON)
PWB-A FN PJ10A-1 to 4
—
—
Description
Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
—
—
PWB-A FN PJ15A-4 (ON)
PWB-A FN PJ15A-12 (ON)
—
8. Jam Display
Location
(Electrical
components)
—
FS-501 H-5
FS-501 B-3
—
—
Location
(Electrical
components)
—
—
FS-501 B-5
FS-501 B-5
—
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