Konica Minolta bizhub C250 Service Manual page 877

9. Malfunction code
Code Description
C11A3 Shutter drive failure
Staple unit CD drive
C11B0
failure
C11B2 Staple drive failure
Punch cam motor unit
C11C0
failure
Finishing option cooling
C1301
fan motor failure
Finishing option flash
CC155
ROM failure
66
Detection timing
• The shutter home position sensor (PC14) is not turned OFF
even after the set period of time has elapsed after the shutter
motor (M8) is energized (beginning of shutter-opening opera-
tion).
• The shutter home position sensor (PC14) is not turned ON
even after the set period of time has elapsed after the shutter
motor (M8) is energized (beginning of shutter-closing opera-
tion).
• The staple home position sensor (PC9) is not turned ON even
after the set period of time has elapsed after the stapling unit
moving motor (M7) is energized (beginning of return opera-
tion to predetermined position).
• The home position sensor is not turned ON even after the set
period of time has elapsed after the staple motor is energized
(beginning of staple operation).
• The punch home position sensor (PC600) is not turned ON
even after the set period of time has elapsed while the punch
motor (M99) is energized.
• The cooling fan motor (M9) lock signal remains set to H for a
set period of time while the cooling fan motor (M9) is turning.
• The cooling fan motor (M9) lock signal remains set to L for a
set period of time while the cooling fan motor (M9) remains
stopped.
• Data of flash ROM of the finishing options is determined to be
faulty when the power is turned ON.
Field Service Ver. 1.0 Aug. 2006