Solution; C0B20:Stapling Unit Moving Motor (M6-Fn) Drive Malfunction - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver.1.0 Mar. 2004
2.3

Solution

2.3.1

C0B20:Stapling Unit Moving Motor (M6-FN) drive malfunction

A. Detection timing
Malfunction code
The Staple Home Position Sensor (PC14-FN) does not go HIGH even after the
C0B20 lapse of a given period of time after M6-FN has been energized (to return the Sta-
pling Unit to its home position).
B. Action
Staple Home Position Sensor (PC14-FN)
Stapling Unit Moving Motor (M6-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 PC14-FN I/O, sensor check
Turn OFF the Power Switch, move the
Stapling Unit out of its home position,
4 and turn ON the Power Switch. Opera-
tion check of the Stapling Unit Moving
Motor (M6-FN) at this time.
5 PWB-A FN replacement
Relevant electrical parts
Action
4-9
Description
Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
-
-
PWB-A FN PJ22A FN-3
-
-
Trouble code
Location
(Electrical compo-
nents)
-
-
I-7
A-4
E-5