Konica Minolta bizhub C450 Service Manual page 775

8. Trouble code
(2) Stapler/Crease Clock Sensor (Stapler Section)
Staple/Folding Motor Clock Sensor (PI14-FN)
Staple/Folding Motor (M7-FN)
Step
Check the motor and sensor connectors
1 for proper connection, and correct as
necessary.
Check the connector of motor for proper
2 drive coupling, and correct as neces-
sary.
3 PI14-FN I/O, sensor check
M7-FN operation check when the Main
4
Power Switch is turned OFF and ON.
5 PWB-A FN replacement
(3) Home Position Sensor
Folding Home Position Sensor (PI11-FN)
Staple/Folding Motor (M7-FN)
Step
Check the motor and sensor connectors
1 for proper connection, and correct as
necessary.
Check the connector of motor for proper
2 drive coupling, and correct as neces-
sary.
3 PI11-FN I/O, sensor check
M7-FN operation check when the Main
4
Power Switch is turned OFF and ON.
5 PWB-A FN replacement
64
Relevant electrical parts
Action
Relevant electrical parts
Action
Field Service Ver. 1.0 Mar. 2005
Finisher Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
—
—
PWB-A FN CN9A FN-5
PWB-A FN CN6A FN-3 to 4
—
Finisher Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
—
—
PWB-A FN CN16A FN-6
PWB-A FN CN6A FN-3 to 4
—
Location
(Electrical compo-
nents)
—
—
FS-603 G-8
FS-603 B-3
—
Location
(Electrical compo-
nents)
—
—
FS-603 B-8
FS-603 B-3
—