C0B55:Stapler/Folding Motor Malfunctions - Konica Minolta bizhub C350 Service Manual

FS-601 Field Service Ver2.0 Sep. 2004
2.3.7

C0B55:Stapler/Folding Motor malfunctions

A. Detection timing
Malfunction code
The Staple Drive Home Position Sensor (PI19-FN) is not blocked even after the
lapse of a given period of time after the clinch operation has started.
An encoder clock input is not detected within a given period of time during a clinch
operation.
The Folding Home Position Sensor (PI11-FN) is not blocked even after the lapse of
a given period of time after the Folding Unit has started moving from a position out
of the home position during an initial operation.
C0B55
The Folding Home Position Sensor (PI11-FN) is not unblocked even after the lapse
of a given period of time after a folding operation has been started during an ordi-
nary operation.
The Folding Home Position Sensor (PI11-FN) is not blocked even after the lapse of
a given period of time after a folding operation has been started and the sensor has
been unblocked during an ordinary operation.
An encoder clock input is not detected within a given period of time during a folding
operation.
B. Action
(1) Wiring
Staple Drive Home Position Sensor (PI19-FN)
Staple/Folding Motor (M7-FN)
Step
Check the motor connectors for proper
1
connection, and correct as necessary.
Check the connector of motor for proper
2 drive coupling, and correct as neces-
sary.
3 PI19-FN I/O, sensor check
M7-FN operation check when the Power
4
Switch is turned OFF and ON.
5 PWB-A FN replacement
Relevant electrical parts
Action
Description
Finisher Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
-
-
-
PWB-A FN CN6 FN-3,4
-
Trouble code
Location
(Electrical compo-
nents)
-
-
-
A-4
E-6
4-15