bizhub C350 Field Service Ver.1.0 Mar. 2004 Trouble code
4-15
IV Troubleshooting
2.3.7 C0B55:Stapler/Folding Motor malfunctions
A. Detection timing
B. Action
(1) Wiring
Malfunction code Description
C0B55
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.
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.
Relevant electrical parts
Staple Drive Home Position Sensor (PI19-FN)
Staple/Folding Motor (M7-FN)
Finisher Control Board (PWB-A FN)
Step Action
WIRING DIAGRAM
Control signal
Location
(Electrical compo-
nents)
1
Check the motor connectors for proper
connection, and correct as necessary.
--
2
Check the connector of motor for proper
drive coupling, and correct as neces-
sary.
--
3 PI19-FN I/O, sensor check - -
4
M7-FN operation check when the Power
Switch is turned OFF and ON.
PWB-A FN CN6 FN-3,4 A-4
5 PWB-A FN replacement - E-6
C350_FS_E.book 15 ページ ２００４年３月１１日 木曜日 午後５時６分
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