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C0000 Main Motor
’s failure to turn The Main Motor Lock signal remains faulty for a predetermined’s’s’s failure’s’s failure to turn’s failure to turn’s failure to turn’s failure to turn
C0060 Fusing Drive Motor
to turn
A Fusing Drive Motor Lock signal remains faulty for a
predetermined continuous period of time while the
Fusing Drive Motor is turning.
C0061 Fusing Drive Motor turning
at abnormal timing
The Fusing Drive Motor Lock signal remains faulty
for a predetermined continuous period of time while
the Fusing Drive Motor remains stationary.
C0094 2nd Image Transfer Roller
pressure/retraction failure
’s failure
•
is not activated (retracted position) within 1 sec.
after the 2nd Image Transfer Roller has started its
retracting motion.
The 2nd Image Transfer Pressure Position Sensor
•
is not deactivated (not the retracted position)
within 1 sec. after the 2nd Image Transfer Roller
has started its pressing motion.
C0096 1st Image Transfer Roller
pressure/retraction failure
The 2nd Image Transfer Pressure Position Sensor
•
is not activated (retracted position) within 3
sec. after the 1st Image Transfer Pressure/Retraction
Motor has started turning.
The 1st Image Transfer Retraction Position Sensor
•
is not deactivated (pressed position) within 1.5
sec. after the 1st Image Transfer Pressure/Retraction
Motor has started turning.
C0098 Fusing Roller pressure/
retraction failure
The 1st Image Transfer Retraction Position Sensor
•
after the lapse of 0.5 sec. after the Fusing Pressure/
Retraction Motor has started turning for
retraction direction during retraction control.
No change is observed in the encoder pulse even
•
after the lapse of 0.5 sec. after the Fusing Pressure/
Retraction Motor has started turning for pressure
direction during pressure control.
No change is observed in the encoder pulse even
•
(pressed position) even when 31 motor
encoder pulses have been counted after the Fusing
Pressure/Retraction Motor has started turning
for pressure direction during pressure control.
C0200 Cyan PC Drum Charge
Corona malfunction
The SCD signal remains inactive for a continuous 1-
sec. period while charge corona is being output (i.e.,
the Remote signal is being turned ON).
C0202 Magenta PC Drum Charge
Corona malfunction
The SCD signal remains inactive for a continuous 1-
sec. period while charge corona is being output (i.e.,
the Remote signal is being turned ON).
C0204 Yellow PC Drum Charge
Corona malfunction
The SCD signal remains inactive for a continuous 1-
sec. period while charge corona is being output (i.e.,
the Remote signal is being turned ON).
C0206 Black PC Drum Charge
Corona malfunction
The SCD signal remains inactive for a continuous 1-
sec. period while charge corona is being output (i.e.,
the Remote signal is being turned ON).
Code Description Detection Timing
The Fusing Pressure Position Sensor is not activated
C0400 Exposure Lamp
turn ON
A Lamp-Out Detection signal is ON after the lapse of
5 sec. after the Exposure Lamp has been turned ON.
C0410 Exposure Lamp turning
ON at abnormal timing
CCD Sensor outputs are written in line RAM at the
end of a scan job and the average of these readings
exceeds a predetermined value.
C0500 Heating Roller warm-up
failure
(Fusing Thermistor 1)
’s failure to
•
temperature and the warm-up cycle is not
completed within the period of 9 min. 10 sec. after
the warm-up cycle has been started.
Fusing Thermistor 1 does not detect a predetermined
•
rise to a level more than the predetermined output
value within 30 sec. after the warm-up cycle has
started.
C0501 Lower Fusing Roller
Heater Lamp warm-up failure
(Fusing Thermistor 2)
The temperature of Fusing Thermistor 1 does not
•
reach 100
cycle has started.
The temperature of Fusing Thermistor 2 does not°C within 180 sec. after the warm-up
•
rise to a level more than the predetermined output
value within 130 sec. after the warm-up cycle has
started.
C0510 Heating Roller abnormally
low temperature
(Fusing Thermistor 1)
The temperature of Fusing Thermistor 1 does not
•
below 120
state.
The temperature of Fusing Thermistor 1 remains°C for 1 sec. or more in the standby
•
below 130
cycle.
The temperature of Fusing Thermistor 1 remains°C for 1 sec. or more during a print
•
below 90
Saver mode.
C0511 Lower Fusing Roller
Heater Lamp abnormally
low temperature
(Fusing Thermistor 2)
The temperature of Fusing Thermistor 1 remains°C for 1 sec. or more in the Energy
•
below 100
state.
The temperature of Fusing Thermistor 2 remains°C for 1 sec. or more in the standby
•
below 100
cycle.
The temperature of Fusing Thermistor 2 remains°C for 1 sec. or more during a print
•
below 100
Saver mode.
C0520 Heating Roller abnormally
high temperature
(Fusing Thermistor 1)
The temperature of Fusing Thermistor 1 remains
above 220
C0521 Lower Fusing Roller
Heater Lamp abnormally
high temperature
(Fusing Thermistor 2)
The temperature of Fusing Thermistor 2 remains
above 190
Code Description Detection Timing
The temperature of Fusing Thermistor 2 remains°C for 1 sec. or more in the Energy°C for 1 sec. or more at all times.°C for 1 sec. or more at all times.
C0650 Scanner Home Sensor
malfunction
•
Scanner at its home position though the Scanner
is so located.
The Scanner Home Sensor fails to detect the
•
Scanner though the motor has been energized to
move the Scanner over the maximum distance.
The Scanner Home Sensor fails to detect the
•
its home position though the Scanner has moved
5 mm away from the home position.
C0660 Scanner overrun failure The Scanner Home Sensor detects the Scanner at
its home position during a period from when the
prescan command and scan preparation command
have been executed to when home return command
is executed.
C0990 LCC Lift-Up Motor malfunction
See the relevant Option Service Manual.
C0991 LCC Lift 1 ascent motion
failure
C0995 LCC Transport Motor malfunction
C0999 LCC Lift 2 ascent motion
failure
C0B00 Finishing option transport
drive malfunction
C0B20 Stapling Unit CD drive
malfunction
C0B30 Finishing option Paper
Aligning Bar moving mechanism
malfunction
C0B48 Finishing option Exit Roll
pressure/retraction failure
C0B4A Finishing option Storage
Roller pressure/retraction
failure
Code Description Detection Timing
The Scanner Home Sensor detects the Scanner at
C0B50 Finishing option stapling
mechanism 1
See the relevant Option Service Manual.
C0B54 Finishing option stapling
mechanism 2
C0B73 Finishing option punch
cam motor mechanism
malfunction
C0B78 Finishing option punch
selector motor mechanism
malfunction
C0B80 Finishing option Shift
Motor mechanism malfunction
C0BA0 Finishing option Elevator
Tray drive failure
C0F30 Abnormally low toner density
detected by Cyan
ATDC Sensor
Toner density that is 2 % or more lower than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F31 Abnormally high toner
density detected by Cyan
ATDC Sensor
Toner density that is 4 % or more higher than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F32 Abnormally low toner density
detected by Magenta
ATDC Sensor
Toner density that is 2 % or more lower than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F33 Abnormally high toner
density detected by
Magenta ATDC Sensor
Toner density that is 4 % or more higher than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F34 Abnormally low toner density
detected by Yellow
ATDC Sensor
Toner density that is 2 % or more lower than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F35 Abnormally high toner
density detected by Yellow
ATDC Sensor
Toner density that is 4 % or more higher than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F36 Abnormally low toner density
detected by Black
ATDC Sensor
Toner density that is 2 % or more lower than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F37 Abnormally high toner
density detected by Black
ATDC Sensor
Toner density that is 4 % or more higher than the target
level is detected ten consecutive times during a
print cycle, ATVC, or image stabilization sequence.
C0F3A Cyan ATDC Sensor
adjustment failure
Cyan ATDC Sensor adjustment does not function
properly, failing to adjust to an appropriate value.
C0F3B Magenta ATDC Sensor
adjustment failure
Magenta ATDC Sensor adjustment does not function
properly, failing to adjust to an appropriate value.
C0F3C Yellow ATDC Sensor
adjustment failure
Yellow ATDC Sensor adjustment does not function
properly, failing to adjust to an appropriate value.
Code Description Detection Timing
C0F3D Black ATDC Sensor
adjustment failure
Black ATDC Sensor adjustment does not function
properly, failing to adjust to an appropriate value.
C13C8 New Transfer Belt Unit
resetting failure
The output from the new unit detecting terminal
remains HIGH and the copier does not recognize
that a new unit has been installed.
1. After an image stabilization sequence is completed,
the fuse blowout signal of the new unit is
set to a blowout state.
2. After the lapse of 2 sec. after step 1, the fuse
blowout signal is brought to a state where no
new units are installed.
3. After the lapse of 0.1 sec. after step 2, a new unit
check sequence is carried out.
A total of three cycles of steps 1 to 3 are carried out
and, if the copier fails to detect a new unit a third
time, a malfunction condition results.
C13CA New Fusing Unit resetting
failure
The output from the new unit detecting terminal
remains HIGH and the copier does not recognize
that a new unit has been installed.
1. The fuse blowout signal of the new unit is set to a
blowout state.
2. After the lapse of 0.5 sec. after step 1, the fuse
blowout signal is brought to a state where no
new units are installed.
3. After the lapse of 0.1 sec. after step 2, a new unit
check sequence is carried out.
A total of two cycles of steps 1 to 3 are carried out
and, if the copier fails to detect a new unit a second
time, a malfunction condition results.
C13CB New Fusing Web Unit
resetting failure
The output from the new unit detecting terminal
remains HIGH and the copier does not recognize
that a new unit has been installed.
1. The fuse blowout signal of the new unit is set to a
blowout state.
2. After the lapse of 0.5 sec. after step 1, the fuse
blowout signal is brought to a state where no
new units are installed.
3. After the lapse of 0.1 sec. after step 2, a new unit
check sequence is carried out.
A total of two cycles of steps 1 to 3 are carried out
and, if the copier fails to detect a new unit a second
time, a malfunction condition results.
Code Description Detection Timing
C13CC New Oil Coating Unit
resetting failure
The output from the new unit detecting terminal
remains HIGH and the copier does not recognize
that a new unit has been installed.
1. The fuse blowout signal of the new unit is set to a
blowout state.
2. After the lapse of 0.5 sec. after step 1, the fuse
blowout signal is brought to a state where no
new units are installed.
3. After the lapse of 0.1 sec. after step 2, a new unit
check sequence is carried out.
A total of two cycles of steps 1 to 3 are carried out
and, if the copier fails to detect a new unit a second
time, a malfunction condition results.
C13D1 Cyan IU EEPROM failure EEPROM access error:
When EEPROM access control is executed, setting
1
even after the lapse of a predetermined period of
time.
C13D2 Magenta IU EEPROM failure
EEPROM access error:
When EEPROM access control is executed, setting
1
even after the lapse of a predetermined period of
time.
C13D3 Yellow IU EEPROM failure EEPROM access error:
When EEPROM access control is executed, setting
1
even after the lapse of a predetermined period of
time.
C13D4 Black IU EEPROM failure EEPROM access error:
When EEPROM access control is executed, setting
1
even after the lapse of a predetermined period of
time.
C3310 CCD clamp/gain adjustment
failure
“Start Flag” of GA register does not become ready“Start Flag” of GA register does not become ready“Start Flag” of GA register does not become ready“Start Flag” of GA register does not become ready
•
(AVE1 - AVE2) =< 4
When clamp adjustment is made:
•
The average of CCD Sensor output values is 1 or
less.
Dgain = 0
Dgain = 255
C3700 IR Cooling Fan Motor 1
turning at abnormal timing
A Lock signal is detected ten consecutive times
when it is monitored at 0.01-sec. intervals while a
Fan Motor ON signal is being output and, at the
same time, after the lapse of 2 sec. or more after the
output of the Fan Motor ON signal has been started.
Code Description Detection Timing
When gain adjustment is made:
C3710 IR Cooling Fan Motor 2
turning at abnormal timing
A Lock signal is detected ten consecutive times
when it is monitored at 0.01-sec. intervals while a
Fan Motor ON signal is being output and, at the
same time, after the lapse of 2 sec. or more after the
output of the Fan Motor ON signal has been started.
C3720 Original Glass Cooling Fan
Motor turning at abnormal
timing
A Lock signal is detected ten consecutive times
when it is monitored at 0.01-sec. intervals while a
Fan Motor ON signal is being output and, at the
same time, after the lapse of 2 sec. or more after the
output of the Fan Motor ON signal has been started.
C3A00 PIC communication error
predetermined period of time after IREQ has been
received during AIDC sampling of image stabilization
sequence or registration adjustment.
• A sampling lock is not received after the lapse of a
•
between the PIC Board and Master Board.
There is an open-circuit in the communication harness
•
C3A01 PIC Board malfunction The PIC Board is faulty.
C3FFF ROM contents fault
detected upon start
The system fails to rewrite flash memory during
updating.
Either the PIC Board or Master Board is faulty.
continuous period of time while the Main
Motor is turning.
C0001 Main Motor turning at
abnormal timing
The Main Motor Lock signal remains faulty for a predetermined
continuous period of time while the Main
Motor remains stationary.
C0010 Imaging Unit Motor C
failure to turn
The Lock signal remains faulty for a continuous 1-
sec. period after the motor rotation has stabilized
and before the motor starts decelerating.
C0011 Imaging Unit Motor C turning
at abnormal timing
The Lock signal remains faulty for a continuous 1-
sec. period after the motor has completely stopped
and before the motor starts accelerating.
C0012 Imaging Unit Motor M
failure to turn
The Lock signal remains faulty for a continuous 1-
sec. period after the motor rotation has stabilized
and before the motor starts decelerating.
C0013 Imaging Unit Motor M turning
at abnormal timing
The Lock signal remains faulty for a continuous 1-
sec. period after the motor has completely stopped
and before the motor starts accelerating.
C0014 Imaging Unit Motor Y
to turn
The Lock signal remains faulty for a continuous 1-
sec. period after the motor rotation has stabilized
and before the motor starts decelerating.
C0015 Imaging Unit Motor Y turning
at abnormal timing
The Lock signal remains faulty for a continuous 1-
sec. period after the motor has completely stopped
and before the motor starts accelerating.
C0016 Imaging Unit Motor Bk
failure to turn
The Lock signal remains faulty for a continuous 1-
sec. period after the motor rotation has stabilized
and before the motor starts decelerating.
C0017 Imaging Unit Motor Bk
turning at abnormal timing
The Lock signal remains faulty for a continuous 1-
sec. period after the motor has completely stopped
and before the motor starts accelerating.
C0040 Fusing Cooling Fan Motor
2
A Fusing Cooling Fan Lock signal is detected for a
continuous 3-sec. period while Fusing Cooling Fan
Motor 2 is turning.
C0046 Fusing Cooling Fan Motor
1
A Fusing Cooling Fan Lock signal is detected for a
continuous 3-sec. period while the Fusing Cooling
Fan Motor is turning.
C004C Ozone Ventilation Fan
Motor
An Ozone Fan Lock signal is detected for a continuous
3-sec. period while the Ozone Ventilation Fan
Motor is turning.
C004E Power Supply Cooling Fan
Motor
A Power Supply Cooling Fan Lock signal is detected
for a continuous 3-sec. period while the Power Supply
Cooling Fan Motor is turning.
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