Sharp MX-M850 (serv.man38) Service Manual ▷ View online
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 21
F6-04
FAX MODEM operation abnormality
F6-21
Combination error of the TEL / LIU
PWB and the FAX soft switch
PWB and the FAX soft switch
F6-30
Access error to the power controller
on the FAX PWB. (FAX detection)
on the FAX PWB. (FAX detection)
F6-97
FAX PWB skating trouble.
The FAX PWB model identification
does not match the machine model.
The FAX PWB model identification
does not match the machine model.
F6-98
Combination error between the FAX
PWB destination information and the
machine destination information
PWB destination information and the
machine destination information
F9-00
Communication trouble between the
controller and the printer controller
(FIERY).
controller and the printer controller
(FIERY).
FF-00
Double feed detection trouble (PCU)
FF-10
Double feed detection trouble (SCU)
H2-00
Non-contact main thermistor
(detection) open (RTH1-d_D)
(detection) open (RTH1-d_D)
H2-01
Sub thermistor open (RTH2)
Detail
FAX PWB MODEM chip operation trouble
Section
ICU / FAX
Cause
FAX PWB MODEM chip operation trouble.
The MODEM chip in the FAX PWB cannot be accessed.
The MODEM chip in the FAX PWB cannot be accessed.
Check &
Remedy
Remedy
Replace the MODEM chip in the FAX PWB.
Replace the FAX PWB.
Replace the FAX PWB.
Detail
Combination error between the TEL / LIU PWB and the
FAX PWB information (soft switch)
FAX PWB information (soft switch)
Section
ICU / FAX
Cause
The destination of the TEL / LIU PWB which is installed
differs.
The FAX PWB information (soft switch) differs.
The TEL / LIU PWB abnormality.
differs.
The FAX PWB information (soft switch) differs.
The TEL / LIU PWB abnormality.
Check &
Remedy
Remedy
Check the destination of the TEL / LIU PWB.
Check the FAX PWB information (soft switch).
Replace the TEL / LIU PWB.
Check the FAX PWB information (soft switch).
Replace the TEL / LIU PWB.
Detail
Access error to the power controller (read / write)
Section
ICU / FAX
Cause
Power controller trouble.
FAX PWB power controller access circuit trouble.
Power controller program write error.
(Or, the power controller program is not written.)
FAX PWB power controller access circuit trouble.
Power controller program write error.
(Or, the power controller program is not written.)
Check &
Remedy
Remedy
Use Sim. 66-42 to rewrite the power controller program.
Replace the chip.
When replaced, rewrite of the power controller program
with Sim. 66-42 is required.
Replace the FAX PWB.
Replace the chip.
When replaced, rewrite of the power controller program
with Sim. 66-42 is required.
Replace the FAX PWB.
Detail
The FAX PWB model does not match the machine
model
model
Section
ICU
Cause
The FAX PWB model does not match the machine
model.
model.
Check &
Remedy
Remedy
Replace the FAX PWB with one whose model matches
the machine model.
the machine model.
Detail
Combination error between the FAX PWB destination
information and the machine destination information
information and the machine destination information
Section
ICU
Cause
The destination information written in the EEPROM on
the FAX PWB does not match the destination
information of the machine (set with Sim. 26 - 6).
the FAX PWB does not match the destination
information of the machine (set with Sim. 26 - 6).
Check &
Remedy
Remedy
Check the FAX PWB destination.
Check the machine destination setting. (SIM 26-6 )
Use the proper combination between the machine and
the FAX PWB.
Check the machine destination setting. (SIM 26-6 )
Use the proper combination between the machine and
the FAX PWB.
Detail
A communication error is detected during initial
establishment of communication with the EFI controller
or after establishment of communication
establishment of communication with the EFI controller
or after establishment of communication
Section
ICU
Cause
Printer controller ICU PWB cable trouble.
Printer controller trouble.
ICU PWB trouble.
Printer controller trouble.
ICU PWB trouble.
Check &
Remedy
Remedy
Check connection of the printer controller cable.
Repair or replace the printer controller.
After checking, turn OFF / ON the power of the machine
and the printer controller.
Repair or replace the printer controller.
After checking, turn OFF / ON the power of the machine
and the printer controller.
Detail
Double feed sensor abnormality detection
Section
PCU
Cause
Double feed sensor abnormality.
Harness / circuit trouble related to the double feed sensor.
Insertion failure of the drawer connector of the PS unit.
Harness / circuit trouble related to the double feed sensor.
Insertion failure of the drawer connector of the PS unit.
Check &
Remedy
Remedy
Check the circuit related to the double feed sensor and
the harness and the connector.
Replace the double feed detection PWB and the sensor.
the harness and the connector.
Replace the double feed detection PWB and the sensor.
Detail
Double feed sensor abnormality detection
Section
SCU
Cause
Double feed sensor abnormality.
Harness/circuit trouble related to the double feed sensor.
Harness/circuit trouble related to the double feed sensor.
Check &
Remedy
Remedy
Check the circuit related to the double feed sensor and
the harness and the connector.
Replace the double feed detection PWB and the sensor.
the harness and the connector.
Replace the double feed detection PWB and the sensor.
Detail
The thermistor is open
Section
PCU
Cause
Thermistor trouble, control PWB trouble.
Fusing section connector trouble.
AC power source trouble.
The fusing unit is not installed.
Fusing section connector trouble.
AC power source trouble.
The fusing unit is not installed.
Check &
Remedy
Remedy
Check connection of the harness and the connector
from the thermistor to the control PWB.
from the thermistor to the control PWB.
Detail
The thermistor is open
Section
PCU
Cause
Thermistor trouble, control PWB trouble
Fusing section connector trouble
AC power source trouble
The fusing unit is not installed.
Fusing section connector trouble
AC power source trouble
The fusing unit is not installed.
Check &
Remedy
Remedy
Check connection of the harness and the connector
from the thermistor to the control PWB.
from the thermistor to the control PWB.
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 22
H2-02
Lower thermistor open (PRTH)
H2-03
Non-contact main thermistor
(reparation) open (RTH1-d_C)
(reparation) open (RTH1-d_C)
H3-00
Non-contact main thermistor high
temperature trouble (RTH1_d)
temperature trouble (RTH1_d)
H3-01
Sub thermistor high temperature
trouble (RTH2)
trouble (RTH2)
H3-02
Lower thermistor high temperature
trouble (PRTH)
trouble (PRTH)
H4-00
Non-contact main thermistor low
temperature trouble (RTH1-d)
temperature trouble (RTH1-d)
H4-01
Sub thermistor low temperature
trouble (RTH2)
trouble (RTH2)
Detail
The thermistor is open
Section
PCU
Cause
Thermistor trouble, control PWB trouble.
Fusing section connector trouble.
AC power source trouble.
The fusing unit is not installed.
Fusing section connector trouble.
AC power source trouble.
The fusing unit is not installed.
Check &
Remedy
Remedy
Check connection of the harness and the connector
from the thermistor to the control PWB.
from the thermistor to the control PWB.
Detail
The thermistor is open
Section
PCU
Cause
Thermistor trouble, control PWB trouble, fusing section
connector connection trouble, AC power trouble.
Fusing unit not installed.
connector connection trouble, AC power trouble.
Fusing unit not installed.
Check &
Remedy
Remedy
Check the harness and the connector between the
thermistor and the control PWB.
thermistor and the control PWB.
Detail
The fusing temperature in the PWB exceeds the
specified level
specified level
Section
PCU
Cause
Thermistor trouble, control PWB trouble.
Fusing section connector connection trouble.
AT power source trouble
Fusing section connector connection trouble.
AT power source trouble
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2. If the
heater lamp blinks normally, check the thermistor and
the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
heater lamp blinks normally, check the thermistor and
the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
Detail
The fusing temperature in the PWB exceeds the
specified level
specified level
Section
PCU
Cause
Thermistor trouble, control PWB trouble.
Fusing section connector connection trouble.
AT power source trouble
Fusing section connector connection trouble.
AT power source trouble
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2.
If the heater lamp blinks normally, check the thermistor
and the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
If the heater lamp blinks normally, check the thermistor
and the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
Detail
The fusing temperature in the PWB exceeds the
specified level
specified level
Section
PCU
Cause
Thermistor trouble, control PWB trouble.
Fusing section connector connection trouble.
AT power source trouble.
Fusing section connector connection trouble.
AT power source trouble.
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2.
If the heater lamp blinks normally, check the thermistor
and the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
If the heater lamp blinks normally, check the thermistor
and the harness.
Check the thermistor input circuit section of the control
PWB.
It the lamp keeps ON, check the AC PWB, the control
PWB lamp control circuit.
Cancel the trouble with Sim. 14.
Detail
The set temperature is not reached with the specified
time after turning on the power relay
time after turning on the power relay
Section
PCU
Cause
Thermistor trouble. Heater lamp trouble.
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble.
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble.
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit.
Cancel the trouble with Sim. 14.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit.
Cancel the trouble with Sim. 14.
Detail
The set temperature is not reached with the specified
time after turning on the power relay
time after turning on the power relay
Section
PCU
Cause
Thermistor trouble. Heater lamp trouble.
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble.
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble.
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit. Cancel the trouble with Sim. 14.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit. Cancel the trouble with Sim. 14.
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 23
H4-02
Lower thermistor low temperature
trouble (PRTH)
trouble (PRTH)
H4-30
Non-contact main thermistor
differential input abnormality (RTH1-d)
differential input abnormality (RTH1-d)
H5-01
POIND not-reached jam is detected
5 times continuously
5 times continuously
H7-10
Low temperature detection in the
reset operation of temperature adjust-
ment after alarm stop in a job
(Noncontact main thermistor(RTH1-d))
reset operation of temperature adjust-
ment after alarm stop in a job
(Noncontact main thermistor(RTH1-d))
H7-11
Low temperature detection in the
reset operation of temperature adjust-
ment after alarm stop in a job
(Sub thermistor (RTH2))
reset operation of temperature adjust-
ment after alarm stop in a job
(Sub thermistor (RTH2))
H7-12
Low temperature detection in the
reset operation of temperature adjust-
ment after alarm stop in a job
(Lower thermistor (RTH2))
reset operation of temperature adjust-
ment after alarm stop in a job
(Lower thermistor (RTH2))
L1-00
Mirror feed trouble
Detail
The set temperature is not reached with the specified
time after turning on the power relay
time after turning on the power relay
Section
PCU
Cause
Thermistor trouble. Heater lamp trouble.
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble
PCU PWB trouble. Thermostat trouble.
AC power source trouble.
Interlock switch trouble
Check &
Remedy
Remedy
Check blinking of the heater lamp with Sim. 5-2.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit. Cancel the trouble with Sim. 14.
If the lamp blinks normally, check the thermistor and the
harness.
Check the thermistor input circuit section of the PCU
PWB. If the lamp does not light up, check the heater
lamp and the thermostat for breakage.
Check the interlock switch.
Check the AC PWB and the PCU PWB lamp control
circuit. Cancel the trouble with Sim. 14.
Detail
The differential value does not rise above the specified
level within the specified time from turning ON the HL1.
level within the specified time from turning ON the HL1.
Section
PCU
Cause
Thermistor trouble, heater lamp trouble, PCU PWB
trouble, thermostat trouble, AC power trouble. Interlock
switch trouble.
trouble, thermostat trouble, AC power trouble. Interlock
switch trouble.
Check &
Remedy
Remedy
Use Sim. 5-2 to check the flashing operation of the
heater lamp. If the heater lamp flashes normally, check
the thermistor and the harness.
Check the thermistor input circuit section of the PCU
PWB. If the heater lamp does not light up, check for
disconnection of the heater lamp or the thermostat.
Check the interlock switch.
Check the lamp control circuit of the AC PWB and the
PCU PWB. Use Sim. 14 to cancel the trouble.
heater lamp. If the heater lamp flashes normally, check
the thermistor and the harness.
Check the thermistor input circuit section of the PCU
PWB. If the heater lamp does not light up, check for
disconnection of the heater lamp or the thermostat.
Check the interlock switch.
Check the lamp control circuit of the AC PWB and the
PCU PWB. Use Sim. 14 to cancel the trouble.
Detail
POD1 not-reached jam is detected 5 times
continuously.
continuously.
Section
PCU
Cause
A fusing jam is not canceled completely. (Jam paper
remains.)
POD1 sensor trouble or harness connection trouble.
Fusing unit instillation trouble.
remains.)
POD1 sensor trouble or harness connection trouble.
Fusing unit instillation trouble.
Check &
Remedy
Remedy
Check the fusing section jam paper. (winding, etc.)
Check the POD1 sensor harness.
Check installation of the fusing unit.
Cancel the trouble with Sim. 14.
Check the POD1 sensor harness.
Check installation of the fusing unit.
Cancel the trouble with Sim. 14.
Detail
When in fusing alarm stopping, the specified
temperature is not reached within the specified time.
* Alarm stop: When the fusing temperature lowers than
temperature is not reached within the specified time.
* Alarm stop: When the fusing temperature lowers than
the specified level in a print job, the job is interrupted
temporarily and temperature reset is performed.
temporarily and temperature reset is performed.
Section
PCU
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
Check &
Remedy
Remedy
Use Sim. 5-2 to check the ON operation of the heater
lamp. Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB. Check
connection of the connector and the harness.
lamp. Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB. Check
connection of the connector and the harness.
Detail
When in fusing alarm stopping, the specified
temperature is not reached within the specified time.
* Alarm stop: When the fusing temperature lowers than
temperature is not reached within the specified time.
* Alarm stop: When the fusing temperature lowers than
the specified level in a print job, the job is interrupted
temporarily and temperature reset is performed.
temporarily and temperature reset is performed.
Section
PCU
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
Check &
Remedy
Remedy
Use Sim. 5-2 to check the ON operation of the heater
lamp.
Check conduction of the thermostat. Replace the heater
lamp, the PCU PWB, and the AC PWB.
Check connection of the connector and the harness.
lamp.
Check conduction of the thermostat. Replace the heater
lamp, the PCU PWB, and the AC PWB.
Check connection of the connector and the harness.
Detail
When in fusing alarm stopping, the specified
temperature is not reached within the specified time.
* When in fusing alarm stopping, the specified
temperature is not reached within the specified time.
* When in fusing alarm stopping, the specified
temperature is not reached within the specified time.
Section
PCU
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
trouble, PCU PWB trouble, AC power trouble, interlock
switch trouble, connector and harness connection
trouble.
Check &
Remedy
Remedy
Use Sim. 5-2 to check the ON operation of the heater
lamp. Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check connection of the connector and the harness.
lamp. Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check connection of the connector and the harness.
Detail
Mirror feed is not completed within the specified time
Section
SCU
Cause
Mirror unit trouble. The mirror wire is disengaged.
Circuit trouble.
Circuit trouble.
Check &
Remedy
Remedy
Use Sim. 1-1 to check the operation of the mirror.
Check the mirror motor related circuits (SCN-Mother
PWB, SCNCNT PWB, MHP sensor PWB).
Check the mirror motor related circuits (SCN-Mother
PWB, SCNCNT PWB, MHP sensor PWB).
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 24
L2-10
CCD cooling fan motor trouble
(SCU detection)
(SCU detection)
L2-11
Lamp cooling fan motor trouble
(SCU detection)
(SCU detection)
L3-00
Mirror return trouble
L4-01
Main motor lock trouble
L4-02
Drum motor lock trouble
L4-03
Fusing motor lock trouble
L4-04
Developing motor trouble
L4-08
Waste toner transport pipe lock
L4-14
Toner cartridge motor lock trouble
Detail
The lock signal is detected during rotation of the fan /
The non-lock state is detected when the motor is not
rotated in booting
The non-lock state is detected when the motor is not
rotated in booting
Section
SCU
Cause
Fan motor trouble, fan motor related harness and circuit
trouble.
trouble.
Check &
Remedy
Remedy
Check the fan motor related circuits (SCN-Mother PWB,
SCNCNT PWB) and their harness and connector.
SCNCNT PWB) and their harness and connector.
Detail
The lock signal is detected during rotation of the fan /
The non-lock state is detected when the motor is not
rotated in booting
The non-lock state is detected when the motor is not
rotated in booting
Section
SCU
Cause
Fan motor trouble, fan motor related harness and circuit
trouble.
trouble.
Check &
Remedy
Remedy
Check the fan motor related circuits (SCN-Mother PWB,
SCNCNT PWB) and their harness and connector.
SCNCNT PWB) and their harness and connector.
Detail
Mirror return is not completed within the specified time
Section
SCU
Cause
Mirror unit trouble. The mirror wire is disengaged.
Circuit trouble.
Circuit trouble.
Check &
Remedy
Remedy
Use Sim. 1-1 to check the operation of the mirror.
Check the mirror motor related circuits (SCN-Mother
PWB, SCNCNT PWB, MHP sensor PWB).
Check the mirror motor related circuits (SCN-Mother
PWB, SCNCNT PWB, MHP sensor PWB).
Detail
The motor lock signal is detected during rotation of the
main motor (MM/MM2)
main motor (MM/MM2)
Section
PCU
Cause
Main motor (MM/MM2) lock trouble.
Connection failure or disconnection of the connector
and the harness.
Control circuit trouble.
Connection failure or disconnection of the connector
and the harness.
Control circuit trouble.
Check &
Remedy
Remedy
Use Sim. 6-1 to check the operation of the main motor
(MM/MM2) lock.
Check the harness and the connector. (between the
PCU PWB and the motor, between the HL PWB and the
motor)
(MM/MM2) lock.
Check the harness and the connector. (between the
PCU PWB and the motor, between the HL PWB and the
motor)
Detail
When warming up, the paper feed motor is rotated
when canceling a jam, the lock signal is not detected
within 1sec.
when canceling a jam, the lock signal is not detected
within 1sec.
Section
PCU
Cause
Paper feed motor trouble.
Harness connection trouble between the PCU PWB and
the paper feed motor.
Control circuit trouble.
Harness connection trouble between the PCU PWB and
the paper feed motor.
Control circuit trouble.
Check &
Remedy
Remedy
Check the paper feed motor operation with Sim. 6-1.
Check connection of the connector and the harness
between the PCU PWB and the paper feed motor.
Check connection of the connector and the harness
between the PCU PWB and the paper feed motor.
Detail
The motor lock signal is detected during rotation of the
fusing motor
fusing motor
Section
PCU
Cause
Fusing motor trouble.
Harness connection trouble between the PCU PWB and
the developing motor.
Control circuit trouble.
Harness connection trouble between the PCU PWB and
the developing motor.
Control circuit trouble.
Check &
Remedy
Remedy
Check the fusing motor operation with Sim. 6-1.
Check connection of the harness and the connector
between the PCU PWB and the developing motor.
Check connection of the harness and the connector
between the PCU PWB and the developing motor.
Detail
The motor lock signal is detected during rotation of the
developing motor
developing motor
Section
PCU
Cause
Developing motor trouble.
Harness connection trouble between the PCU PWB and
the developing motor.
Control circuit trouble.
Harness connection trouble between the PCU PWB and
the developing motor.
Control circuit trouble.
Check &
Remedy
Remedy
Check the developing motor operation with Sim. 25-1.
Check connection of the connector and the harness
between the PCU PWB and the developing motor.
Check connection of the connector and the harness
between the PCU PWB and the developing motor.
Detail
Waste toner lock is detected during rotation of the drum
motor.
motor.
Section
PCU
Cause
Waste toner transport pipe lock. (clogging)
Waste toner lock sensor trouble.
Waste toner lock detection mechanism trouble.
Waste toner lock sensor trouble.
Waste toner lock detection mechanism trouble.
Check &
Remedy
Remedy
Use Sim. 6-1 to check the operations of the drum motor.
Check for clogging in the waste toner transport pipe.
Check the waste toner lock sensor.
Check for clogging in the waste toner transport pipe.
Check the waste toner lock sensor.
Detail
Though the toner cartridge motor is rotated for a certain
time, the toner cartridge motor rotation sensor count
value does not exceed the threshold value
time, the toner cartridge motor rotation sensor count
value does not exceed the threshold value
Section
PCU
Cause
Toner cartridge motor trouble.
Toner cartridge motor rotation sensor trouble.
Harness connection trouble between the PCU PWB and
the toner cartridge motor.
Harness trouble between the PCU PWB and the toner
cartridge motor rotation sensor.
Toner cartridge trouble.
Toner cartridge motor rotation sensor trouble.
Harness connection trouble between the PCU PWB and
the toner cartridge motor.
Harness trouble between the PCU PWB and the toner
cartridge motor rotation sensor.
Toner cartridge trouble.
Check &
Remedy
Remedy
Use Sim. 10-1 to check the operation of the toner
cartridge motor.
Use Sim. 10-3 to check the operation of the toner
cartridge motor rotation sensor.
Check the harness and the connector between the PCU
PWB and the toner cartridge motor.
Check the harness and the connector between the PCU
PWB and the toner cartridge motor rotation sensor.
Replace the toner cartridge.
cartridge motor.
Use Sim. 10-3 to check the operation of the toner
cartridge motor rotation sensor.
Check the harness and the connector between the PCU
PWB and the toner cartridge motor.
Check the harness and the connector between the PCU
PWB and the toner cartridge motor rotation sensor.
Replace the toner cartridge.
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