Stapler Section Misfeed; Horizontal Transport Section Misfeed - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
8.3.7

Stapler section misfeed

A. Detection timing
Type
Stapler section mis- The Stapler does not return to its home position within a given period of time after
feed 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 Trans-
unblocked the Paper Exit Sensor of the main unit.
port section mis-
The Paper Sensor (PC1-HO) of the Horizontal Transport Unit is not unblocked
feed 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 compo-
nents)
—
FS-507 H-5
FS-507 B-3
—
—
Location
(Electrical compo-
nents)
—
—
FS-507 B-5
FS-507 B-6
—
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