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|
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|
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|
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|
0030
|
FAX control PWB system error Processing with the fax software
was disabled due to a software problem.
|
FAX control PWB
|
1. Turn the main power swtch off and after 5 seconds, re-mount
the FAX controller PWB, then turn power on. 2. Reinstall the
fax software. 3. Replace the FAX control PWB.
|
0060
|
Control PWB mismatch Unmatching engine and engine sub boards.
Defective engine subboard
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Replace the control PWB and check for correct
operation .
|
0070
|
FAX control PWB incompatible detection error Abnormal detection
of FAX control PWB incompatibility In the initial communication
with the FAX control PWB, any normal communication command is
not transmitted.
|
FAX control PWB (The FAX PWB installed will not be the one
designed for the machine.)
|
1. Install the FAX system designed for the model. 2. Reinstall
the fax software.
|
0100
|
Backup memory device error
|
EEPROM (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Check that the EEPROM on the main circuit PWB' is
peroperly installed on the main circuit PWB and, if not,
re-install it. 3. Replace the control PWB and check for correct
operation .
|
0110
|
Backup memory data error
|
EEPROM (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Check that the EEPROM on the main circuit PWB is
peroperly installed on the main circuit PWB and, if not,
re-install it. 3. Replace the control PWB and check for correct
operation .
|
0120
|
MAC address data error For data in which the MAC address is
invalid.
|
EEPROM (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Check the MAC address on the network status page.
3. If it is blank, obtain an EEPROM with its MAC address
written from the service support and install. 4. Replace the
control PWB and check for correct operation .
|
0130
|
Backup memory read/write error (main NAMD)
|
Flash memory (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Replace the control PWB and check for correct
operation .
|
0140
|
Backup memory data error (main NAND)
|
Flash memory (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Replace the control PWB and check for correct
operation .
|
0150
|
Backup memory read/write error (control PWB) No response is
issued from the device in reading/writing for 5 ms or more and
this problem is repeated 5 times successively. Mismatch of
reading data from 2 locations occurs 8 times successively.
Mismatch between writing data and reading data occurs 8 times
successively.
|
EEPROM (Control PWB)
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Check that the EEPROM is peroperly installed on
the control PWB and reinstall it. 3. Replace the control PWB
and check for correct operation . 4. Check the EEPROM and if
the data are currupted, contact the service support.
|
0160
|
Backup memory data error (control PWB) Reading data from EEPROM
is abnormal.
|
EEPROM
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Execute U021 - memory initializing. If the EEPROM
data are currupted, contact the service support.
|
0170
|
Billing counting error The values on the main circuit PWB and
on the engine do not match for any of charging counter, life
counter, and scanner counter.
|
EEPROM
|
1. Check that the EEPROMs installed in the control PWB are
correct and, if not, use the correct EEPROM for the model. 2.
If the EEPROM data are currupted, contact the service support.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
0180
|
Machine number mismatch Machine number of control does not
match.
|
Data damage of EEPROM
|
1. Confirm the machine data for the control units by using
U004. 2. If the serial number data of different models is
alternately displayed, install the correct EEPROM in the PWB of
the wrong serial number data. 3. Contact the Service Support.
|
0190
|
Backup memory device error (control PWB)
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
0800
|
Image processing error JAM010X is detected twice.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
0830
|
FAX control PWB flash program area checksum error A checksum
error occurred with the program of the FAX control PWB.
|
FAX software
|
1. Reinstall the fax software.
|
FAX control PWB
|
1. Execute initializing by U600.(Refer to the FAX service
manual) 2. Replace the FAX control PWB.
|
0840
|
Faults of RTC (�Time for maintenance T� is displayed) [Check at
power up] The RTC setting has reverted to a previous state. The
machine has not been powered for 5 years (compared to the
settings stored periodically in the EEPROM).
|
Battery (Control PWB)
|
1. Make sure that the back-up batteries on the control PWB are
not short-circuited. 2. If the same C call is displayed when
power is switched on and off, replace the back up battery. 3.
If communication error (due to a noise, etc.) is present with
the RTC on the control PWB, check the PWB is properly grounded.
|
The RTC setting is older than 00:01 on January 1, 2000.
[Checked periodically (in 5-minute interval) after powered up]
The RTC setting has reverted to a state older than the last
time it was checked. 10 minutes have been passed since the
previous check.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
0870
|
PCFAX control PWB to main PWB high capacity data transfer error
High-capacity data transfer between the FAX control PWB and the
main PWB of the machine was not normally performed even if the
data transfer was retried the specified times.
|
FAX control PWB
|
1. Turn the main power swtch off and after 5 seconds, re-mount
the FAX controller PWB, then turn power on. 2. Replace the FAX
control PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
0920
|
Fax file system error The backup data is not retained for file
system abnormality of flash memory of the FAX control PWB.
|
FAX control PWB
|
1. Execute initializing by U600 (Refer to the FAX service
manual). 2. Replace the FAX control PWB.
|
0970
|
24 V power down detect If a 24V power disconnection signal is
observed and a 12V power disconnection signal is observed
simultaneously for one second.
|
Connect right PWB
|
1. Check the +24V output is given at YC4-10 to 13 of the
connect right PWB. 2. Replace the connect right PWB
|
Control PWB
|
Replace the control PWB
|
1010
|
Lift motor error (50/60 ppm model only) After cassette 1 is
inserted, lift sensor does not turn on within 10 s. This error
is detected four times successively.
|
Bottom plate elevation mechanism in the cassette
|
Check to see if the bottom plate can move smoothly and repair
it if any problem is found.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Lift motor and
connect right PWB (YC9) Connect right PWB and control PWB
(YC29)
|
Drive transmission system of the lift motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
Lift motor
|
Replace the lift motor.
|
Connect right PWB
|
Replace the connect right PWB
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
1020
|
PF lift motor 1 error (paper feeder) After cassette 2 is
inserted, PF lift sensor 1 does not turn on. This error is
detected four times successively.
|
Bottom plate elevation mechanism in the cassette
|
Check to see if the bottom plate can move smoothly and repair
it if any problem is found.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF lift motor 1
and PF main PWB (YC7)
|
Drive transmission system of the PF lift motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
PF lift motor
|
Replace the PF lift motor 1.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
1030
|
PF lift motor 2 error (paper feeder) After cassette 3 is
inserted, PF lift sensor 2 does not turn on. This error is
detected four times successively.
|
Dottom plate elevation mechanism in the cassette
|
Check to see if the bottom plate can move smoothly and repair
it if any problem is found.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF lift motor 2
and PF main PWB (YC7)
|
Drive transmission system of the PF lift motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
PF lift motor
|
Replace the PF lift motor 2.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
1040
|
PF lift motor 3 error (paper feeder) After cassette. 4 is
inserted, PF lift sensor 3 does not turn on. This error is
detected four times successively.
|
Bottom plate elevation mechanism in the cassette
|
Check to see if the bottom plate can move smoothly and repair
it if any problem is found.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF lift motor 3
and PF main PWB (YC7)
|
Drive transmission system of the PF lift motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears end replace if any.
|
PF lift motor
|
Replace the PF lift motor 3.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
1050
|
PF lift motor 4 error (paper feeder) After cassette 5 is
inserted, PF lift sensor 4 does not turn on. This error is
detected four times successively.
|
Bottom plate elevation mechanism in the cassette
|
Check to see if the bottom plate can move smoothly and repair
it if any problem is found.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF lift motor 4
and PF main PWB (YC7)
|
Drive transmission system of the PF lift motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
PF lift motor
|
Replace the PF lift motor 4.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
1800
|
Paper feeder 1 communica-tion error A communication error is
detected 10 times in succession.
|
Paper feeder
|
Follow installation instruction carefully again.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF main PWB (YC3)
and control PWB (YC22)
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
1810
|
Paper feeder 2 communication error A communication error from
paper feeder is detected 10 times in succession.
|
Paper feeder
|
Check the wiring connection status with the main unit and, if
necessary, try connecting it again.
|
PF main PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. PF main PWB
(YC1) and control PWB (YC22) 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the PF main
PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
1820
|
Paper feeder 3 communication error A communication error from
paper feeder is detected 10 times in succession.
|
Paper feeder
|
Check the wiring connection status with paper feeder unit 2
and, if necessary, try connecting it again.
|
PF main PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. PF main PWB
(YC1) and PF main PWB (YC22). 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the PF main
PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
1830
|
Paper feeder 4 communication error A communication error from
paper feeder is detected 10 times in succession.
|
Paper feeder
|
Check the wiring connection status with paper feeder unit 3
and, if necessary, try connecting it again.
|
PF main PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. PF main PWB
(YC1) and PF main PWB (YC22). 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the PF main
PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
1900
|
Paper feeder 1 EEPROM error When writing the data, read and
write data does not match 4 times in succession.
|
PF main PWB (EEPROM)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. 2. Replace
the PF main PWB.
|
1910
|
Paper feeder 2 EEPROM error When writing the data, read and
write data does not match 4 times in succession.
|
PF main PWB (EEPROM)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in.Replace the
PF main PWB.
|
1920
|
Paper feeder 3 EEPROM error When writing the data, read and
write data does not match 4 times in succession.
|
PF main PWB (EEPROM)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. 2. Replace
the PF main PWB.
|
1930
|
Paper feeder 4 EEPROM error When writing the data, read and
write data does not match 4 times in succession.
|
PF main PWB (EEPROM)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. 2. Replace
the PF main PWB.
|
2000
|
Main motor startup error Main motor is not stabilized within 2
s since the motor is activated.
|
Main motor
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Main motor
and connect right PWB (YC10) Connect right PWB and control PWB
(YC29) 2. If the wiring is disconnected, shorted or grounded,
replace the wiring. 3. Replace the main motor.
|
Connect right PWB
|
Replace the cconnect right PWB .
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
2010
|
Main motor steady-state error After main motor is stabilized,
the ready signal is not ready for 2 s continuously.
|
Main motor
|
1. Check the drive gear can rotate or they are not unusually
loaded and, if necessary, replace. 2. Confirm that the wiring
connector is firmly connected and, if necessary, connect the
connector all the way in. Main motor and connect rightl PWB
(YC10) Connect right PWB and control PWB (YC29) 3. If the
wiring is disconnected, shorted or grounded, replace the
wiring. 4. Replace the main motor.
|
Connect right PWB
|
Replace the connect right PWB .
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
2200
|
Drum motor drive error (50/60 ppm model only) The drum motor is
not stabilized within 2 s after driving starts.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Drum motor and
connect right PWB (YC10) Connect right PWB and control PWB
(YC29)
|
Drive transmission system of the drum motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
Drum motor
|
Replace the drum motor.
|
Connect right PWB
|
Replace the connect right PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
2210
|
Drum motor steady-state error (50/60 ppm model only) Stable OFF
is detected for 2 s continuously after drum motor stabilized.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Drum motor and
connect right PWB (YC10) Connect right PWB and control PWB
(YC29)
|
Drive transmission system of the drum motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
Drum motor
|
Replace the drum motor.
|
Connect right PWB
|
Replace the connect right PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
2330
|
Envelope motor error (Over-current) (50/60 ppm model only) The
over-current detection signal of the motor is detected
continuously twenty times.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Envelope motor and
connect left PWB (YC11) Connect left PWB and control PWB (YC2)
|
Drive transmission system of the envelope motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
Envelope motor
|
Replace the envelope motor.
|
Connect left PWB.
|
Replace the connect left PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
2340
|
Envelope motor error (Timeout) (50/60 ppm model only) The
position detection sensor is not detected continuously for 30
s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Envelope motor and
connect left PWB (YC11) Connect left PWB and control PWB (YC2)
|
Drive transmission system of the envelope motor
|
Check if the gears rotate smoothly. If not, grease the bushes
and gears. Check for broken gears and replace if any.
|
Envelope motor
|
Replace the envelope motor.
|
Connect left PWB
|
Replace the connect left PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
2600
|
PF drive motor 1 error (paper feeder 1) When the PF drive motor
is driven, error signal is detected continuously for 2 s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF drive motor 1
and PF main PWB (YC6)
|
Drive transmission system of the PF drive motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
DPF drive motor
|
Replace the PF drive motor 1.
|
DPF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
2610
|
PF drive motor 2 error (paper feeder 2) When the PF drive motor
is driven, error signal is detected continuously for 2 s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF drive motor 2
and PF main PWB (YC6)
|
Drive transmission system of the PF drive motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
PF drive motor
|
Replace the PF drive motor 2.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
2620
|
PF drive motor 3 error (paper feeder 3) When the PF drive motor
is driven, error signal is detected continuously for 2 s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF drive motor 3
and PF main PWB (YC6)
|
Drive transmission system of the PF drive motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
PF drive motor
|
Replace the PF drive motor 3.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
2630
|
PF drive motor 4 error (paper feeder 4) When the PF drive motor
is driven, error signal is detected continuously for 2 s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. PF drive motor 4
and PF main PWB (YC6)
|
Drive transmission system of the PF drive motor
|
Check if the rollers and gears rotate smoothly. If not, grease
the bushes and gears. Check for broken gears and replace if
any.
|
PF drive motor
|
Replace the PF drive motor 4.
|
PF main PWB
|
Replace the PF main PWB (Refer to the service manual for the
paper feeder).
|
3100
|
Scanner carriage error The home position is not correct when
the power is turned on, at the end of a reading process of the
table and document processor.
|
Image scanner motor
|
1. Move the scanner by the hand to check whether it is
unusually difficult to move. 2. Check that the scanner driving
belt is not disengaged. 3. Confirm that the wiring connector is
firmly connected and, if necessary, connect the connector all
the way in. Image scanner motor and control PWB (YC1002) 4. If
the wiring is disconnected, shorted or grounded, replace the
wiring. 5. Replace the image scanner motor.
|
Home position sensor
|
1. Check that the sensor is correctly positioned. 2. Confirm
that the wiring connector is firmly connected and, if
necessary, connect the connector all the way in. Home position
sensor and CCD PWB (YC3) CCD PWB and control PWB (YC1000) 3.
Replace the home position sensor.
|
CCD PWB
|
Replace the image scanner unit and execute U411.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
3200
|
Exposure lamp error When a lamp is made to turn on one side at
a time, the white standard data at the time of an initial is
lower than a rated value.
|
LED PWB
|
1. Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. LED PWB and CCD
PWB (YC2) CCD PWB and control PWB (YC1000) 2. Replace the image
scanner unit.
|
CCD PWB
|
Replace the image scanner unit and execute U411.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
3500
|
Communication error between scanner and ASIC An error code is
detected.
|
CCD PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. CCD PWB and
control PWB (YC1000) 2. If the wiring is disconnected, shorted
or grounded, replace the wiring. 3. Replace the image scanner
unit and execute U411.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
4000
|
Polygon motor steady-state error After Polygon motor is
stabilized, the ready signal is at the H level for 20 s
continuously.
|
Polygon motor (LSU)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Laser
scanner unit and control PWB (YC15) 2. If the wiring is
disconnected, shorted or grounded, replace the wiring. 3.
Replace the laser scanner unit.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
4200
|
BD steady-state error The BD signal is not detected.
|
PD PWB (LSU)
|
1. Confirm that the FCC wiring connector is not distorted and
connect the FCC wiring all the way in. Laser scanner unit and
control PWB (YC16) 2. If the FCC wiring is disconnected,
shorted or grounded, replace the FCC wiring. 3. Replace the
laser scanner unit.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
5100
|
Chager current error When the current value measured at the
time of potential adjustment is'less than 20 pA. The error of
the charge current before toner installation. The error of the
charge current before printing.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Chager unit and
high voltage PWB High voltage PWB and control PWB (YC19)
|
High voltage PWB
|
Replace the high voltage PWB and check for correct operation.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
6000
|
Broken fuser heater wire (Center) (50/60 ppm model) Fuser
thermistor 2 detects a temperature less than 100�C/ 212�F
continuously for 30 s after a warm-up start. (40 ppm model)
Fuser thermistor 1 detects a temperature less than 100�C/ 212�F
continuously for 30 s after a warm-up start.
|
Fuser unit
|
1. Check that no paper jam is present. 2. Confirm that the
wiring connector is firmly connected and, if necessary, connect
the connector all the way in. Fuser unit and fuser thermistor
connect PWB (YC2) Fuser thermistor connect PWB and control PWB
(YC21) 3. If the wiring is disconnected, shorted or grounded,
replace the wiring. 4. Replace the Fuser unit. (Deteriorated
sensitivity due to the toner adhered to the center thermistor.)
|
Fuser thermistor connect PWB
|
Replace the fuser thermistor connect PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
Power source PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Power
source PWB and connect right PWB (YC4) Connect right PWB and
control PWB (YC1) 2. Replace the power source PWB.
|
Fuser heater
|
1. Replace the Fuser unit.
|
6020
|
Abnormally high fuser thermistor 2 temperature (Center) (50/60
ppm model only) Fuser thermistor 2 detects a temperature higher
than 235�C/455�F. In a heater-off state, the detection
temperature of fuser thermistor 2 is higher than 195�C/383�F
after the detection temperature of fuser thermistor 2 was
155�C/311 �F or less.
|
Fuser unit
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Fuser unit
and fuser thermistor connect PWB (YC2) Fuser thermistor connect
PWB and control PWB (YC21) 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the Fuser
unit.
|
Fuser thermistor connect PWB
|
Replace the fuser thermistor connect PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
6030
|
Broken fuser thermistor 2 wire (Center) (50/60 ppm model only)
Input from fuser thermistor 2 is 1019 or more (A/D value)
continuously for 4 s.
|
Fuser unit
|
1. Check that no paper jam is present. 2. Confirm that the
wiring connector is firmly connected and, if necessary, connect
the connector all the way in. Fuser unit and fuser thermistor
connect PWB (YC2) Fuser thermistor connect PWB and control PWB
(YC21) 3. If the wiring is disconnected, shorted or grounded,
replace the wiring. 4. Replace the Fuser unit. (Deteriorated
sensitivity due to the toner adhered to the center thermistor.)
|
Fuser thermistor connect PWB
|
Replace the fuser thermistor connect PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB .
|
Fuser thermistor 2
|
1. Replace the Fuser unit.
|
Fuser thermostat (triggered)
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Fuser unit
and power source PWB (YC2) 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the Fuser
unit.
|
Power source PWB
|
Replace the power source PWB .
|
6000
|
Broken fuser heater wire Abnormally high fuser thermistor 2
temperature Broken fuser thermistor 2 wire Abnormally high
fuser thermistor 1 temperature Broken fuser thermistor 1 wire
|
Connector pin
|
If the l/F connector pins of the fuser unit and the main unit
are deformed owing to foreign matters, replace the connectors
or the units including the connectors.
|
6020
|
6030
|
6120
|
Triac
|
Remove the power cord and check that the resistance between
terminals T1 and T2 of the triac TRA31 and triac TRA41 (the
triac TRA41 is 60/50 ppm model only) are of several Mega-Ohms
and not shorted.
|
6130
|
Com- bined
|
6120
|
Abnormally high fuser thermistor 1 temperature (50/60 ppm
model) The detection temperature of fuser thermistor 1 is
higher than 245�C/473�F. In a heater-off state, the detection
temperature of fuser thermistor 1 is higher than 195�C/383�F
after the detection temperature of fuser thermistor 1 was
155�C/311�F or less. (40 ppm model) The detection temperature
of fuser thermistor 1 is higher than 250�C/482�F. In a
heater-off state, the detection temperature of fuser thermistor
1 is higher than 170�C/338�F after the detection temperature of
fuser thermistor 1 was 155�/311 �F or less. .
|
Connector pin
|
Check
|
Triac
|
Check
|
Fuser thermistor
|
Replace the fuser unit.
|
Contrl PWB
|
Replace the control PWB and check for correct operation .
|
6130
|
Broken fuser thermistor 1 wire (50/60 ppm model only) AID value
of the fuser thermistor 1 exceeds 1019 bit continuously for 4 s
during warming up.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Fuser thermistor
and fuser thermistor connect PWB (YC1) Fuser thermistor connect
PWB and control PWB (YC21)
|
Connector pin
|
Check
|
Triac
|
Check
|
Fuser thermistor
|
Replace the fuser unit.
|
Fuser thermistor connect PWB
|
Replace the fuser thermistor connect PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
6120
|
Abnormally high fuser thermistor 1 temperature (50/60 ppm
model) The detection temperature of fuser thermistor 1 is
higher than 245�C/473�F. In a heater-off state, the detection
temperature of fuser thermistor 1 is higher than 195�C/383�F
after the detection temperature of fuser thermistor 1 was
155�C/311�F or less. (40 ppm model) The detection temperature
of fuser thermistor 1 is higher than 250�C/482�F. In a
heater-off state, the detection temperature of fuser thermistor
1 is higher than 170�C/338�F after the detection temperature of
fuser thermistor 1 was 155�C/311�F or less. .
|
Connector pin
|
Check
|
Triac
|
Check
|
Fuser thermistor
|
Replace the fuser unit.
|
Contrl PWB
|
Replace the control PWB and check for correct operation .
|
6130
|
Broken fuser thermistor 1 wire (50/60 ppm model only) A/D value
of the fuser thermistor 1 exceeds 1019 bit continuously for 4 s
during warming up.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Fuser thermistor
and fuser thermistor connect PWB (YC1) Fuser thermistor connect
PWB and control PWB (YC21)
|
Connector pin
|
Check
|
Triac
|
Check
|
Fuser thermistor
|
Replace the fuser unit.
|
Fuser thermistor connect PWB
|
Replace the fuser thermistor connect PWB.
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
6400
|
Zero-cross signal error While fuser heater ON/OFF control is
performed, the zero-cross signal is not input within 2 s.
|
Fuser unit
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Power
source PWB and connect right PWB (YC4) Connect right PWB and
control PWB (YC29) 2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
|
Power source PWB
|
Replace the power source PWB .
|
Connect right PWB
|
Replace the connect right PWB .
|
Control PWB
|
Replace the control PWB .
|
7000
|
Toner motor error During driving the toner motor, an
over-current detection signal is detected at intervals of 10 ms
as for 300 accumulation.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Toner motor and
drum PWB (YC4) Drum PWB and drum connect PWB (YC1) Drum connect
PWB and connect left PWB (YC3) Connect left PWB and control PWB
(YC3)
|
Drum unit
|
Replace the drum unit.
|
Connect left PWB
|
Replace the connect left PWB .
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
7100
|
Toner sensor error Sensor output value of 930 or more
continuously for 5 s.
|
Toner sensor
|
1. Check the toner sensor output. 2. Confirm that the wiring
connector is firmly connected and, if necessary, connect the
connector all the way in. Toner sensor and drum PWB (YC3) Drum
PWB and drum connect PWB (YC1) Drum connect PWB and connect
left PWB (YC3) Connect left PWB and control PWB (YC3) 3. If the
wiring is disconnected, shorted or grounded, replace the
wiring. 4. Check that the gears of the Developer unit are not
damaged and the spiral.
|
Toner motor
|
1. Draw out the toner container. 2. Check the drive gear can
rotate or they are not unusually loaded and, if necessary,
replace. 3. Confirm that the wiring connector is firmly
connected and, if necessary, connect the connector all the way
in. Toner motor and drum PWB (YC4) Drum PWB and drum connect
PWB (YC1) Drum connect PWB and connect left PWB (YC3) Connect
left PWB and control PWB (YC3) 4. If the wiring is
disconnected, shorted or grounded, replace the wiring. 5.
Replace the Toner motor.
|
Connect left PWB
|
Replace the connect left PWB .
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
7400
|
Developer unit non-installing error Sensor output value of 31
or less continuously for 5 s.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Developer unit and
drum PWB (YC3) Drum PWB and drum connect PWB (YC1) Drum connect
PWB and connect left PWB (YC3) Connect left PWB and control PWB
(YC2)
|
Toner sensor
|
Replace the developer unit.
|
Connect left PWB
|
Replace the connect left PWB .
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
7410
|
Drum unit type mismatch error The drum PWB EEPROM does not
communicate normally. Absence of the drum unit is detected.
|
Connector cable or poor contact in the connector
|
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable. Drum unit and drum
connect PWB (YC1) Drum connect PWB and connect left PWB (YC3)
Connect left PWB and control PWB (YC2)
|
Toner sensor
|
Check
|
Connect left PWB
|
Replace the connect left PWB .
|
Control PWB
|
Replace the control PWB and check for correct operation .
|
7800
|
Broken temperature sensor wire Input from temperature sensor is
1019 or more continuously for 160 ms. Input from temperature
sensor is 930 or more continuously for 5 s.
|
Temperature sensor
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Temperature
sensor and control PWB (YC30) 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the key
right PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
7810
|
Short-circuited temperature sensor wire Input from temperature
sensor is 31 or less continuously for 5 s.
|
Temperature sensor
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. Temperature
sensor and control PWB (YC30) 2. If the wiring is disconnected,
shorted or grounded, replace the wiring. 3. Replace the key
right PWB.
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
7900
|
Drum EEPROM error No response is issued from the device in
reading/writing for 5 ms or more and this problem is repeated 5
times successively. Mismatch of reading data from 2 locations
occurs 8 times successively. Mismatch between writing data and
reading data occurs 8 times successively.
|
DR PWB
|
1. Confirm that the wiring connector is firmly connected and,
if necessary, connect the connector all the way in. DR PWB and
drum connect PWB (YC1) Drum connect PWB and connect left PWB
(YC3) Connect left PWB and control PWB (YC2) 2. If the wiring
is disconnected, shorted or grounded, replace the wiring. 3.
Replace the Drum unit.
|
Connect left PWB
|
Replace the connect left PWB .
|
Control PWB
|
1. Check the control software and upgrade to the latest, if
necessary. 2. Replace the control PWB and check for correct
operation .
|
F000
|
Communication error between Control PWB and Operation PWB
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Check that the wirings and connetors between the
control PWB and the operation panel PWB are normal. Operation
PWB and control PWB (YC2002) 3. Check that the DIMM memories in
the control PWB are well conducted and, if not, replace. 4.
Execute U021 initialize memory, 5. Replace the control PWB.
|
Operation PWB
|
Replace the operation PWB.
|
F010
|
Control PWB checksum error
|
Control PWB
|
Turn the main power switch off/on to restart the machine. If
the error is not resolved, replace control PWB and check for
correct operation .
|
F020
|
Control PWB RAM check sum error
|
Main memory (RAM)
|
Turn the main power switch off/on to restart the machine. If
the error is not resolved, replace control PWB and check for
correct operation .
|
F040
|
Communication error between Controller and Print engine
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Repair or replace the wire from the control PWB,
that may be grounded. (Check short-circuit between 5V and
3.3V.) 3. Check the control software and upgrade to the latest,
if necessary. 4. If not corrected, replace the control PWB and
check for correct operation .
|
F041
|
Communication error between Controller and Scan engine
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Repair or replace the wire from the control PWB,
that may be grounded. (Check short-circuit between 5V and
3.3V.) 3. Check the control software and upgrade to the latest,
if necessary. 4. If not corrected, replace the control PWB and
check for correct operation .
|
F050
|
Print engine ROM checksum error
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Confirm that the EEPROM has been properly
installed. 3. Check the control software and upgrade to the
latest, if necessary. 4. If not corrected, Replace the control
PWB and check for correct operation .
|
F051
|
Scan engine ROM checksum error
|
Control PWB
|
1. Turn the main power swtch off and after 5 seconds, then turn
power on. 2. Confirm that the EEPROM has been properly
installed. 3. Check the control software and upgrade to the
latest, if necessary. 4. If not corrected, Replace the control
PWB and check for correct operation .
|