Konica Minolta bizhub C250 Service Manual page 468

Field Service Ver. 3.0 Aug. 2006
Code
C3851 Abnormal Low Temp. (Heater)
C3852 Abnormal Low Temp. (Press)
C3A01 Paper Stuck to Fuser Heater
Roller
C3A02 Paper Stuck to Fuser Pressure
Roller
C4151 Polygon Motor/C failure to turn
C4152 Polygon Motor/M failure to turn
C4153 Polygon Motor/Y failure to turn
C4154 Polygon Motor/K failure to turn
C4551 Laser malfunction (Cyan)
C4552 Laser malfunction (Magenta)
C4553 Laser malfunction (Yellow)
C4554 Laser malfunction (Black)
C4705 Image Output Time Out
C4761 Compression hardware timeout
C4765 Extraction hardware timeout
C4770 JBIG0 Error
C4771 JBIG1 Error
C4772 JBIG2 Error
C4773 JBIG3 Error
C4780 Compressor 0 command buffer
stop failure
C4781 Compressor 1 command buffer
stop failure
Item
• The temperature of the Heating Roller Ther-
mistor/1 (TH1) is lower than a given level of
degree for 1 second or more uninterruptedly dur-
ing Ready mode, Low Power mode or printing.
• The temperature of the Heating Roller Ther-
mistor/2 (TH3) is lower than a given level of
degree for 1 second or more uninterruptedly dur-
ing Ready mode, Low Power mode or printing.
• The temperature of the Fusing Pressure Roller
Thermistor /1 (TH2) is lower than a given level of
degree for 1 second or more uninterruptedly dur-
ing Ready mode, Low Power mode or printing.
• The temperature of the Heating Roller Thermistor
/1 (TH1) goes down by a given level of degree
compared to the temperature of a given period of
time before when the paper passes on the Timing
Roller and blocks the Exit Sensor (PC2).
• The temperature of the Fusing Pressure Roller
Thermistor /1 (TH2) goes down by a given level of
degree compared to the temperature of a given
period of time before when the paper passes on
the Timing Roller and blocks the Exit Sensor
(PC2).
• The Polygon motor fails to turn stably even after
the lapse of a given period of time after activating
the Polygon motor.
• Motor Lock signal detects H for a given period
time consecutively during the Polygon motor is
rotating.
• SOS signal is not detected even after the lapse of
a given period of time after staring the laser out-
put.
• SOS signal is not detected for a given period of
time during printing or IDC sensor adjustment.
• No image data is output from the MFP Control
Board (PWB-MFP).
• The hardware involved with the compression
function offered by the MFP Control Board (PWB-
MFP) does not respond.
• The hardware involved with the extraction func-
tion offered by the MFP Control Board (PWB-
MFP) does not respond.
• The MFP Control Board (PWB-MFP) is faulty.
16. Malfunction code
Description Rank
A
A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
C
C
C
C
C
425