2GN/2GP/2GR

(2) Self diagnostic codes

Remarks
Code Contents
Causes Check procedures/corrective measures
C0030 Fax control PWB system problem Defective fax con- Replace the fax control PWB and verify the
(optional fax) trol PWB. operation.
Processing with the fax software was
disabled due to a hardware or software
problem.
C0060 Main PWB type mismatch error Defective PWB. Contact the Service Administrative Division.
C0070 Fax control PWB incompatibility FAX and the Use the FAX control PWB that is designed
detection problem (optional fax) machine are not for use with the machine.
Fax software is not compatible with main compatible.
software.
C0130 Backup memory (EEPROM) device Defective main Replace the main PWB and check for cor-
problem (Main PWB) PWB. rect operation.
Reading from or writing to EEPROM
Device damage of Contact the Service Administrative Division.
cannot be performed.
EEPROM.
C0140 Backup memory (EEPROM) data Data damage of Contact the Service Administrative Division.
problem (Main PWB) EEPROM.
Reading data from EEPROM is abnor-
mal.
C0150 Backup memory device problem Defective engine Replace the engine PWB and check for cor-
(Engine PWB) PWB. rect operation.
Reading from or writing to EEPROM
Device damage of Contact the Service Administrative Division.
cannot be performed.
EEPROM.
C0160 Backup memory data problem Problem with the Run maintenance item U022 to initialize the
(Engine PWB) backup memory backup memory data.
Reading data from EEPROM is abnor- data.
mal.
Defective engine If the C0160 is displayed after initializing the
Read and write data does not match five
PWB. backup memory, replace the engine PWB
times continuously.
and check for correct operation.
C0170 Copy counts problem Data damage of Contact the Service Administrative Division.
A checksum error is detected in the main EEPROM.
and engine backup memories for the
Defective PWB. Replace the main PWB or engine PWB and
copy counters.
check for correct operation.
C0180 Machine number mismatch error Data damage of Contact the Service Administrative Division.
Machine number of main PWB and EEPROM.
engine PWB does not match.
C0600 DIMM installed incorrectly DIMM installed Check if the DIMM is inserted into the socket
DIMM is not installed correctly. incorrectly. on the main PWB correctly.
C0610 DIMM problem Defective main Replace the main PWB and check for cor-
The DIMM on the main PWB does not PWB. rect operation.
operate correctly.
Defective DIMM. Replace the DIMM and check for correct
operation.

1-4-23
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C0630 DMA problem Defective main Replace the main PWB and check for cor-
DMA transmission of compressed, PWB. rect operation.
decompressed, rotated, relocated or
blanked-out image data does not com-
plete within the specified period of time.
C0640 Hard disk drive problem Poor contact in the Check the connection of connector YC49 on
The hard disk cannot be accessed. connector termi- the main PWB and the connector on the
nals. hard disk. Repair or replace if necessary.
Defective hard Run U024 (HDD formatting) without turning
disk. the power off to initialize the hard disk.
Replace the hard disk drive and check for
correct operation if the problem is still
detected after initialization.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
C0700 CF error for backup CF installed incor- Install CF correctly.
Optional data backup kit (CF) is not suit- rectly.
able as backup.
Defective CF. Install normal CF.
C0800 Image processing problem Defective main Replace the main PWB and check for cor-
JAM05 is detected twice. PWB. rect operation.
C0830 Flash ROM program area checksum Defective fax con- Replace the fax control PWB and check for
error (optional fax) trol PWB. correct operation.
A checksum error occurred with the pro-
gram in the Flash ROM on the fax con-
trol PWB.
C0870 Fax control PWB to main PWB high Poor contact in the Check the connection of connector YC1 on
capacity data transfer problem connector termi- the fax control PWB and YC4 on the inter-
(optional fax) nals. face PWB, connection of connector YC30
High-capacity data transfer between the on the main PWB and YC6 on the interface
fax control PWB and the main PWB was PWB and the continuity across the connec-
not normally performed even if the data tor terminals. Repair or replace if necessary.
transfer was retried the specified times.
Defective fax con- Replace the fax control PWB or main PWB
trol PWB or main and check for correct operation.
PWB.
C0880 Fax control PWB program archive Defective fax con- Replace the fax control PWB and check for
problem (optional fax) trol PWB. correct operation.
When power is turned on, the com-
pressed program in the Flash ROM on
the fax control PWB was not success-
fully decompressed.
C0920 Fax file system error (optional fax) Defective fax con- Replace the fax control PWB and verify the
The backup data is not retained for file trol PWB. operation.
system abnormality of flash memory of
the fax control PWB.

1-4-24
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C1010 Upper lift motor error Poor contact in the Check the connection of connector of upper
When cassette 1 is inserted, upper lift connector termi- lift motor and the connector YC13 on the
limit switch does not turn on within 12 s nals. engine PWB, and the continuity across the
of upper lift motor turning on. connector terminals. Repair or replace if
necessary.
Broken gears or Replace upper lift motor.
couplings of upper
lift motor.
Defective upper lift Check for continuity across the coil. If none,
motor. replace upper lift motor.
Defective upper lift Check if YC13-B9 on the engine PWB goes
limit switch. low when upper lift limit switch is turned off.
If not, replace upper lift limit switch.
Poor contact in the Check the connection of connector of upper
connector termi- lift limit switch and the connector YC13 on
nals. the engine PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
C1020 Lower lift motor error Poor contact in the Check the connection of connector of lower
When cassette 2 is inserted, lower lift connector termi- lift motor and the connector YC13 on the
limit switch does not turn on within 12 s nals. engine PWB, and the continuity across the
of lower lift motor turning on. connector terminals. Repair or replace if
necessary.
Broken gears or Replace lower lift motor.
couplings of lower
lift motor.
Defective lower lift Check for continuity across the coil. If none,
motor. replace lower lift motor.
Defective lower lift Check if YC13-B15 on the engine PWB
limit switch. goes low when lower lift limit switch is turned
off. If not, replace lower lift limit switch.
Poor contact in the Check the connection of connector of lower
connector termi- lift limit switch and the connector YC13 on
nals. the engine PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.

1-4-25
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C1030 Paper feeder lift motor 1 error Poor contact in the Check the connection of connector on the
(optional paper feeder) connector termi- engine PWB and the connector on the paper
When optional cassette 3 is inserted, nals. feeder main PWB, and the continuity across
paper feeder lift switch 1 does not turn the connector terminals. Repair or replace if
on within 12 s of paper feeder lift motor 1 necessary.
turning on.
Broken gears or Replace paper feeder lift motor 1.
couplings of paper
feeder lift motor 1.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 1. replace paper feeder lift motor 1.
Defective paper Check if YC1-5 on the paper feeder main
feeder lift switch 1. PWB goes low when paper feeder lift switch
1 is turned off. If not, replace paper feeder lift
switch 1.
C1040 Paper feeder lift motor 2 error Poor contact in the Check the connection of connector on the
(optional paper feeder) connector termi- engine PWB and the connector on the paper
When optional cassette 4 is inserted, nals. feeder main PWB, and the continuity across
paper feeder lift switch 2 does not turn the connector terminals. Repair or replace if
on within 12 s of paper feeder lift motor 2 necessary.
turning on.
Broken gears or Replace paper feeder lift motor 2.
couplings of paper
feeder lift motor 2.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 2. replace paper feeder lift motor 2.
Defective paper Check if YC1-7 on the paper feeder main
feeder lift switch 2. PWB goes low when paper feeder lift switch
2 is turned off. If not, replace paper feeder lift
switch 2.
C1100 Paper feeder lift motor 1 error Poor contact in the Check the connection of connector on the
(optional 3000-sheet paper feeder) connector termi- engine PWB and the connector on the paper
A motor over-current signal is detected nals. feeder main PWB, and the continuity across
continuously for 1 s or longer. the connector terminals. Repair or replace if
necessary.
Paper feeder lift Check the gears and remedy if necessary.
motor 1 does not
rotate correctly (the
motor is over-
loaded).
C1110 Paper feeder lift motor 2 error Poor contact in the Check the connection of connector on the
(optional 3000-sheet paper feeder) connector termi- engine PWB and the connector on the paper
A motor over-current signal is detected nals. feeder main PWB, and the continuity across
continuously for 1 s or longer. the connector terminals. Repair or replace if
necessary.
Paper feeder lift Check the gears and remedy if necessary.
motor 2 does not
rotate correctly (the
motor is over-
loaded).

1-4-26
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C1120 Paper feeder left lift position problem Poor contact in the Check the connection of connector on the
(optional 3000-sheet paper feeder) connector termi- engine PWB and the connector on the paper
Paper feeder switch 2 does not turn on nals. feeder main PWB, and the continuity across
within 30 s of paper feeder lift motor 1 the connector terminals. Repair or replace if
turning on. necessary.
Defective paper Check if YC5-7 on the paper feeder main
feeder lift switch 2. PWB goes low when paper feeder lift switch
2 is turned off. If not, replace paper feeder lift
switch 2.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 1. replace paper feeder lift motor 1.
The paper feeder Check the gears and belts, and remedy if
left lift does not rise necessary.
properly.
C1130 Paper feeder right lift position prob- Poor contact in the Check the connection of connector on the
lem (optional 3000-sheet paper connector termi- engine PWB and the connector on the paper
feeder) nals. feeder main PWB, and the continuity across
Paper feeder switch 1 does not turn on the connector terminals. Repair or replace if
within 30 s of paper feeder lift motor 2 necessary.
turning on.
Defective paper Check if YC5-4 on the paper feeder main
feeder lift switch 1. PWB goes low when paper feeder lift switch
1 is turned off. If not, replace paper feeder lift
switch 1.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 2. replace paper feeder lift motor 2.
The paper feeder Check the gears and belts, and remedy if
right lift does not necessary.
rise properly.
C1800 Paper feeder unit communication Poor contact in the Check the connection of connector on the
problem (optional paper feeder/3000- connector termi- engine PWB and the connector on the paper
sheet paper feeder) nals. feeder main PWB, and the continuity across
No communication: there is no reply the connector terminals. Repair or replace if
after 5 retries. necessary.
Abnormal communication: a communica-
Defective engine Replace the engine PWB and check for cor-
tion error (parity or checksum error) is
PWB. rect operation.
detected five times in succession.
Defective paper Replace the paper feeder main PWB and
feeder main PWB. check for correct operation.
C1900 Paper feeder EEPROM error (optional Poor contact in the Check the connection of connector on the
paper feeder) connector termi- engine PWB and the connector on the paper
When writing the data, the write data and nals. feeder main PWB, and the continuity across
the read data is not continuously in the connector terminals. Repair or replace if
agreement three times. necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective paper Replace the paper feeder with another unit
feeder. and check the operation. If the operation is
normal, replace or repair optional paper
feeder.

1-4-27
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C2000 Drive motor problem Poor contact in the Check the connection of connector YC11 on
Stable OFF is detected for 1 s continu- connector termi- the engine PWB and the connector on the
ously after drive motor stability. nals. drive motor, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective drive Replace the drive motor.
motor.
C2250 Main charger cleaning motor error Poor contact in the Check the connection of connector YC9 on
A locking error has been detected three connector termi- the engine PWB and the connector on the
times in a row during a reciprocating nals. main charger cleaning motor, and the conti-
cleaning motion. nuity across the connector terminals. Repair
or replace if necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective main Replace the main charger cleaning motor.
charger cleaning
motor.
C2500 Paper feed motor error Poor contact in the Check the connection of connector YC11 on
Stable OFF is detected for 1 s continu- connector termi- the engine PWB and the connector on the
ously after paper feed motor stability. nals. paper feed motor, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective paper Replace the paper feed motor.
feed motor.

1-4-28
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C4010 Polygon motor steady-state problem Poor contact in the Check the connection of connector YC8 on
The polygon motor rotation is not stable connector termi- the engine PWB and laser scanner unit, and
for 20 s after the polygon motor rotation nals. the continuity across the connector termi-
has been stabilized. nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
C4200 BD steady-state problem Poor contact in the Check the connection of connector YC8 on
ASIC detects a BD error A for 2 s after connector termi- the engine PWB and laser scanner unit, and
the polygon motor rotation has been sta- nals. the continuity across the connector termi-
bilized. nals. Repair or replace if necessary.
Defective laser Replace the laser scanner unit.
scanner unit.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
C5300 Broken cleaning lamp wire Defective cleaning Replace the cleaning lamp.
While the cleaning lamp is on, the bro- lamp.
ken cleaning lamp wire detection signal
Defective engine Replace the engine PWB and check for cor-
is detected for 2 s continuously.
PWB. rect operation.
C6000 Fuser heater break Defective fuser Replace the fuser heater M or S.
Fuser thermistor 1 is detected 40C/ heater M or S.
104F below with 10 s continuously dur-
Installation defec- Check the mounting state of the fuser ther-
ing warm-up and ready in.
tiveness on fuser mistor 1. If any problem is found, repair it.
thermistor 1.
Defective fuser Replace the fuser thermostat.
thermostat.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
C6020 Abnormally high fuser thermistor Installation defec- Check the mounting state of the fuser ther-
temperature tiveness on fuser mistor 1 or 2. If any problem is found, repair
Fuser thermistor 1 or 2 is detected thermistor 1 or 2. it.
230C/446F or more for 40 ms.
Defective fuser Replace the fuser thermistor 1 or 2.
thermistor 1 or 2.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
C6030 Fuser thermistor break error Installation defec- Check the mounting state of the fuser ther-
The thermistor break signal is detected tiveness on fuser mistor 1 or 2. If any problem is found, repair
continuously for 500 ms. thermistor 1 or 2. it.
Defective fuser Replace the fuser thermistor 1 or 2.
thermistor 1 or 2.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.

1-4-31
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C3210 CIS lamp problem Poor contact in the Check the connection of connector on the
After the reading starting, when input connector termi- main PWB and the connector on the DP
value at the time of CIS illumination does nals. main PWB, and the continuity across the
not exceed the threshold value between connector terminals. Repair or replace if
5 s. necessary.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Defective CIS. Replace the CIS and check for correct oper-
ation.
C3300 CCD AGC problem Poor contact in the Check the connection of connector on the
After AGC, correct input is not obtained connector termi- SHD PWB and the connector on the CCD
at CCD. nals. PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective exposure Replace the exposure lamp or inverter
lamp. PWB.
Defective PWB. Replace the SHD PWB or CCD PWB and
check for correct operation.
C3310 CIS AGC problem Defective DP main Replace the DP main PWB and check for
After AGC, correct input is not obtained PWB. correct operation.
at CIS.
CIS output prob- Replace the CIS and check for correct oper-
lem. ation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
C3500 Communication error between scan- Poor contact in the Check the connection of connector YC3 on
ner and SHD connector termi- the scanner PWB and the connector YC4 on
An error code is detected. nals. the SHD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the scanner PWB or SHD PWB and
check for correct operation.
C3900 Backup memory read/write problem Defective backup Replace the scanner PWB and check for
(scanner PWB) RAM or scanner correct operation.
Read and write data does not match. PWB.
C3910 Backup memory data problem (scan- Problem with the Run maintenance item U022 to initialize the
ner PWB) backup memory backup memory data.
Data in the specified area of the backup data.
memory does not match the specified
Defective scanner If the C3910 is displayed after initializing the
values.
PWB. backup memory, replace the scanner PWB
and check for correct operation.
C4000 Polygon motor synchronization prob- Poor contact in the Check the connection of connector YC8 on
lem connector termi- the engine PWB and laser scanner unit, and
The polygon motor does not reach the nals. the continuity across the connector termi-
stable speed within 20 s of the START nals. Repair or replace if necessary.
signal turning on.
Defective polygon Replace the laser scanner unit.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.

1-4-30
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C2600 Paper feeder paper conveying motor Poor contact in the Check the connection of connector on the
error (optional 3000-sheet paper connector termi- engine PWB and the connector on the paper
feeder) nals. feeder main PWB, and the continuity across
The lock signal of the motor is detected the connector terminals. Repair or replace if
avobe 450 ms. necessary.
Paper feeder drive motor error
Paper feeder paper Check the gears and remedy if necessary.
(optional paper feeder)
conveying motor /
The lock signal of the motor is detected
paper feeder drive
avobe 500 ms.
motor does not
rotate correctly
(the motor is over-
loaded).
Defective PWB. Replace the paper feeder main PWB or
engine PWB and check for correct opera-
tion.
Defective motor. Replace the paper feeder paper conveying
motor / paper feeder drive motor.
C3100 Scanner carriage problem Poor contact in the Check the connection of connector YC4 on
The home position is not correct when connector termi- the scanner PWB and the connector on the
the power is turned on or at the start of nals. scanner home position switch, and the conti-
copying using the table. nuity across the connector terminals. Repair
or replace if necessary.
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
Defective scanner Replace the scanner home position switch.
home position
switch.
Defective scanner Replace the scanner motor.
motor.
The mirror frame, Check if the mirror flames and exposure
exposure lamp, or lamp are on the rail. And check the scanner
scanner wire is wire winds correctly.
defective.
C3200 Exposure lamp problem Poor contact in the Check the connection of connector YC6 on
After the reading starting, when input connector termi- the scanner PWB and the connector on the
value at the time of exposure lamp illumi- nals. inverter PWB, and the continuity across the
nation does not exceed the threshold connector terminals. Repair or replace if
value between 5 s. necessary.
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
Defective CCD Replace the CCD PWB and check for cor-
PWB. rect operation.
Defective exposure Replace the exposure lamp or inverter
lamp or inverter PWB.
PWB.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the scanner home position switch.

1-4-29
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C6050 Abnormally low fuser thermistor 3 Defective fuser Replace the fuser heater M or S.
temperature heater M or S.
Fuser thermistor 1 is detected 100C/
Installation defec- Check the mounting state of the fuser ther-
212F less than 1 s continuously during
tiveness on fuser mistor 1. If any problem is found, repair it.
copying.
thermistor 1.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
C6400 Zero-cross signal error Defective PWB. Replace the engine PWB or power source
While fuser heater ON/OFF control is PWB and check for correct operation.
performed, the zero-cross signal is not
input within 3 s.
C6410 Fuser unit connector insertion prob- Fuser unit connec- Reinsert the fuser unit connector if neces-
lem tor inserted incor- sary.
Absence of the fuser unit is detected. rectly.
Defective fuser unit Replace the fuser unit.
connector.
C6420 Fuser unit fuse cut problem Poor contact in the Check the connection of connector YC10 on
The fuse in the fuser unit did not blow connector termi- the engine PWB and the continuity across
within three seconds. nals. the connector terminals. Repair or replace if
necessary.
Fuser unit connec- Reinsert the fuser unit connector if neces-
tor inserted incor- sary.
rectly.
C7300 Toner container problem Poor contact in the Check the connection of connector YC9 on
Toner level is not detected when toner connector termi- the engine PWB and the continuity across
empty is detected. nals. the connector terminals. Repair or replace if
necessary.
Defective toner Replace the toner container sensor.
container sensor.
C7400 Developing unit connector insertion Developing unit Reinsert the developing unit connector if
problem connector inserted necessary.
Absence of the developing unit is incorrectly.
detected.
Defective develop- Replace the developing unit.
ing unit connector.
C7410 Drum unit connector insertion prob- Drum unit connec- Reinsert the drum unit connector if neces-
lem tor inserted incor- sary.
Absence of the drum unit is detected. rectly.
Defective drum unit Replace the drum unit.
connector.
C7800 Broken external thermistor wire Poor contact in the Check the connection of connector YC14 on
The thermistor output value is 4.5 V or connector termi- the engine PWB and the continuity across
more. nals. the connector terminals. Repair or replace if
necessary.
Defective humidity Replace the humidity sensor.
sensor.

1-4-32
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C7810 Short-circuited external thermistor Poor contact in the Check the connection of connector YC14 on
The thermistor input value is 0.5 V or connector termi- the engine PWB and the continuity across
less. nals. the connector terminals. Repair or replace if
necessary.
Defective humidity Replace the humidity sensor.
sensor.
C7900 Drum EEPROM error Poor contact in the Check the connection of connector on the
Reading from or writing to EEPROM connector termi- engine PWB and the continuity across the
cannot be performed. nals. connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum unit.
unit.
C7910 Developing unit EEPROM error Poor contact in the Check the connection of connector on the
Reading from or writing to EEPROM connector termi- engine PWB and the continuity across the
cannot be performed. nals. connector terminals. Repair or replace if
necessary.
Defective develop- Replace the developing unit.
ing unit.
C8020 Punch motor problem (optional 3000- Poor contact in the Check the connection of connector on the
sheet document finisher) connector termi- punch PWB and the continuity across the
The LOCK signal of the punch motor is nals. connector terminals. Repair or replace if
detected for more than 500 ms while the necessary.
punch motor is operating.
Defective punch Replace the punch motor.
motor.
Defective PWB. Replace the punch PWB or finisher main
PWB and check for correct operation.
C8030 Tray upper limit detection problem The tray upper limit Reinsert the connector. Also check for conti-
(optional document finisher) sensor/push paper nuity within the connector cable. If none,
When the tray elevation motor raises a sensor/surface remedy or replace the cable.
tray, the ON status of the tray upper limit view sensor con-
sensor is detected. nector makes poor
contact.
Defective tray Replace the sensor.
upper limit sensor/
push paper sensor/
surface view sen-
sor.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.

1-4-33
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8050 Paper conveying belt motor 1 prob- Poor contact in the Check the connection of connector YC2 on
lem (optional 3000-sheet document connector termi- the internal tray PWB and the connector on
finisher) nals. paper conveying belt motor 1, and the conti-
Paper conveying belt home position sen- nuity across the connector terminals. Repair
sor 1 does not turn off within 1.5 s. or replace if necessary.
Paper conveying belt home position sen-
Defective paper Replace paper conveying belt home position
sor 1 does not turn on within 2.5 s.
conveying belt sensor 1.
Jam 88 is indicated.
home position sen-
sor 1.
Defective paper Replace paper conveying belt motor 1.
conveying belt
motor 1.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
C8060 Paper conveying belt motor 2 prob- Poor contact in the Check the connection of connector YC6 on
lem (optional 3000-sheet document connector termi- the internal tray PWB and the connector on
finisher) nals. paper conveying belt motor 2, and the conti-
Paper conveying belt home position sen- nuity across the connector terminals. Repair
sor 2 does not turn off within 1.5 s. or replace if necessary.
Paper conveying belt home position sen-
Defective paper Replace paper conveying belt home position
sor 2 does not turn on within 2.5 s.
conveying belt sensor 2.
home position sen-
sor 2.
Defective paper Replace paper conveying belt motor 2.
conveying belt
motor 2.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
C8070 Internal tray communication error Poor contact in the Check the connection of connector YC6 on
(optional 3000-sheet document fin- connector termi- the finisher main PWB and the connector
isher) nals. YC1 on the internal tray PWB, and the conti-
Communication with the internal tray is nuity across the connector terminals. Repair
not possible although the connection is or replace if necessary.
detected.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.

1-4-34
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8140 Main tray problem (optional 3000- Poor contact in the Check the connection of connector YC6 on
sheet document finisher) connector termi- the finisher main PWB and the connector on
The main tray is not detected by the nals. the main tray motor, and the continuity
main tray top limit detection sensor or across the connector terminals. Repair or
the main tray capacity detection sensor replace if necessary.
within 20s since the tray has started
Defective main tray Replace the main tray motor.
ascending.
motor.
The main tray upper limit detection sen-
sor or the main tray load detection sen- Defective main tray Replace the sensor.
sor is not detected to be turned off in 20 upper limit detec-
seconds after the main tray has tion sensor/main
descended. tray load detection
The main tray low limit detection sensor sensor/main tray
is not detected to be turned on in 20 sec- lower limit detec-
onds after the main tray has descended. tion sensor.
During main tray ascent, the main tray
upper limit detection sensor or the main Defective finisher Replace the finisher main PWB and check
tray load detection sensor stays on for main PWB. for correct operation.
more than 2 s.
Tray elevation motor problem The tray elevation Reinsert the connector. Also check for conti-
(optional document finisher) motor connector nuity within the connector cable. If none,
When the tray elevation motor is driving, makes poor con- remedy or replace the cable.
the ON status of the tray lower limit sen- tact.
sor or surface view sensor cannot be
The tray elevation Replace the tray elevation motor.
detected even if a specified time has
motor malfunc-
elapsed.
tions.
The tray lower limit Reinsert the connector. Also check for conti-
sensor/push paper nuity within the connector cable. If none,
sensor/surface remedy or replace the cable.
view sensor con-
nector makes poor
contact.
Defective tray Replace the sensor.
lower limit sensor/
push paper sensor/
surface view sen-
sor.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.

1-4-35
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8170 Side registration motor 1 problem Poor contact in the Check the connection of connector YC2 on
(optional 3000-sheet document fin- connector termi- the internal tray PWB and the connector on
isher) nals. side registration motor 1, and the continuity
When operation returned to a home across the connector terminals. Repair or
position is performed at the time of initial replace if necessary.
operation and a home position is not
Defective side reg- Replace side registration motor 1.
detected even if 3 s passed.
istration motor 1.
Jam 88 is indicated.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
Adjustment motor problem (optional The adjustment Reinsert the connector. Also check for conti-
document finisher) motor connector nuity within the connector cable. If none,
When the adjustment motor is driving, makes poor con- remedy or replace the cable.
the ON status of the adjustment home tact.
position sensor cannot be detected even
Defective adjust- Replace adjustment motor.
if a specified time has elapsed.
ment motor.
When adjustment operation starts, the
ON status of the adjustment home posi- The adjustment Reinsert the connector. Also check for conti-
tion sensor is not detected. home position sen- nuity within the connector cable. If none,
sor connector remedy or replace the cable.
makes poor con-
tact.
Defective adjust- Replace the adjustment home position sen-
ment home posi- sor.
tion sensor.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
Finisher front side registration motor The front side reg- Reinsert the connector. Also check for conti-
problem (optional built-in finisher) istration motor con- nuity within the connector cable. If none,
When the front-side registration home- nector makes poor remedy or replace the cable.
position sensor is turned on during initial- contact.
ization, the sensor did not turn on while it
Defective front side Replace front side registration motor.
has moved by 106 pulses.
registration motor.
When the front-side registration home-
position sensor is turned off during initial- The front side reg- Reinsert the connector. Also check for conti-
ization, the sensor did not turn on in istration home nuity within the connector cable. If none,
three seconds. position sensor remedy or replace the cable.
connector makes
poor contact.
Defective front side Replace the front side registration home
registration home position sensor.
position sensor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.

1-4-36
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8180 Side registration motor 2 problem Poor contact in the Check the connection of connector YC8 on
(optional 3000-sheet document fin- connector termi- the internal tray PWB and the connector of
isher) nals. side registration motor 2, and the continuity
When operation returned to a home across the connector terminals. Repair or
position is performed at the time of initial replace if necessary.
operation and a home position is not
Defective side reg- Replace side registration motor 2.
detected even if 3 s passed.
istration motor 2.
Jam 88 is indicated.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
Finisher rear side registration motor The rear side reg- Reinsert the connector. Also check for conti-
problem (optional built-in finisher) istration motor con- nuity within the connector cable. If none,
When the rear-side registration home- nector makes poor remedy or replace the cable.
position sensor is turned on during initial- contact.
ization, the sensor did not turn on while it
Defective rear side Replace rear side registration motor.
has moved by 106 pulses.
registration motor.
When the rear-side registration home-
position sensor is turned off during initial- The rear side reg- Reinsert the connector. Also check for conti-
ization, the sensor did not turn on in istration home nuity within the connector cable. If none,
three seconds. position sensor remedy or replace the cable.
connector makes
poor contact.
Defective rear side Replace the rear side registration home
registration home position sensor.
position sensor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.
C8190 Finisher trailing edge registration The trailing edge Reinsert the connector. Also check for conti-
motor problem (optional built-in fin- registration motor nuity within the connector cable. If none,
isher) connector makes remedy or replace the cable.
When the trailing edge registration poor contact.
home-position sensor is turned on during
Defective trailing Replace trailing edge registration motor.
initialization, the sensor did not turn on
edge registration
while it has moved by 106 pulses.
motor.
When the trailing edge registration
home-position sensor is turned off during The trailing edge Reinsert the connector. Also check for conti-
initialization, the sensor did not turn on in registration home nuity within the connector cable. If none,
three seconds. position sensor remedy or replace the cable.
connector makes
poor contact.
Defective trailing Replace the trailing edge registration home
edge registration position sensor.
home position sen-
sor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.

1-4-37
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8210 Stapler moving motor 1 error Poor contact in the Check the connection of connector YC9 on
(optional 3000-sheet document fin- connector termi- the finisher main PWB and the connector of
isher) nals. stapler moving motor 1, and the continuity
When operation returned to a home across the connector terminals. Repair or
position is performed at the time of initial replace if necessary.
operation and a home position is not
Defective stapler Replace stapler moving motor 1.
detected even if 1.5 s passed.
moving motor 1.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
Stapler problem (optional document The stapler con- Reinsert the connector. Also check for conti-
finisher) nector makes poor nuity within the connector cable. If none,
When the stapler motor is driving, the contact. remedy or replace the cable.
ON status of the stapler home position
The stapler is Remove the stapler cartridge, and check the
sensor cannot be detected even if a
blocked with a sta- cartridge and the stapling section of the sta-
specified time has elapsed.
ple. pler.
The stapler is bro- Replace the stapler and check for correct
ken. operation.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
Finisher stapler problem (optional The stapler con- Reinsert the connector. Also check for conti-
built-in finisher) nector makes poor nuity within the connector cable. If none,
The stapler home position sensor does contact. remedy or replace the cable.
not change state from nondetection to
The stapler is Remove the stapler cartridge, and check the
detection within 200 ms of the start of
blocked with a sta- cartridge and the stapling section of the sta-
stapler motor counterclockwise (forward)
ple. pler.
rotation.
During initialization, the stapler home The stapler is bro- Replace the front stapler and check for cor-
position sensor does not change state ken. rect operation.
from non-detection to detection within
600 ms of the start of stapler motor Defective finisher Replace the finisher control PWB and check
clockwise (reverse) rotation. control PWB. for correct operation.

C8220 Stapler moving motor 2 error Poor contact in the Check the connection of connector YC10 on
(optional 3000-sheet document fin- connector termi- the finisher main PWB and the connector of
isher) nals. stapler moving motor 2, and the continuity
When operation returned to a home across the connector terminals. Repair or
position is performed at the time of initial replace if necessary.
operation and a home position is not
Defective stapler Replace stapler moving motor 2.
detected even if 3.5 s passed.
moving motor 2.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
C8230 Stapler motor problem (optional 3000- Poor contact in the Check the connection of connector YC10 on
sheet document finisher) connector termi- the finisher main PWB and the connector of
Jam 82 is indicated. nals. stapler motor, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective stapler Replace the stapler motor.
motor.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.

1-4-38
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8300 Centerfold unit communication error Poor contact in the Check the connection of connector YC22 on
(optional centerfold unit of 3000-sheet connector termi- the finisher main PWB and the continuity
document finisher) nals. across the connector terminals. Repair or
Communication with the centerfold unit replace if necessary.
is not possible although the connection
Defective center- Replace the centerfold unit set switch.
is detected.
fold unit set switch.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
C8310 Centerfold side registration motor 1 Poor contact in the Check the connection of connector YC6 on
problem (optional centerfold unit of connector termi- the centerfold main PWB and the connector
3000-sheet document finisher) nals. of centerfold side registration motor 1, and
The home position is not detected when the continuity across the connector termi-
initial operation even if 1000 ms passed. nals. Repair or replace if necessary.
Defective center- Replace centerfold side registration motor 1.
fold side registra-
tion motor 1.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8320 Centerfold paper conveying belt Poor contact in the Check the connection of connector YC6/
motor problem (optional centerfold connector termi- YC7 on the centerfold main PWB and the
unit of 3000-sheet document finisher) nals. connector of centerfold paper conveying belt
The home position is not detected when motor 1/2, and the continuity across the con-
initial operation even if 2500 ms passed. nector terminals. Repair or replace if neces-
sary.
Defective center- Replace centerfold paper conveying belt
fold paper convey- motor 1/2.
ing belt motor 1/2.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8330 Blade motor problem (optional cen- Poor contact in the Check the connection of connector YC8 on
terfold unit of 3000-sheet document connector termi- the centerfold main PWB and the connector
finisher) nals. of the blade motor, and the continuity across
The home position is not detected when the connector terminals. Repair or replace if
initial operation even if 1500 ms passed. necessary.
Defective blade Replace the blade motor.
motor.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8340 Centerfold staple motor problem Poor contact in the Check the connection of connector YC9 on
(optional centerfold unit of 3000-sheet connector termi- the centerfold main PWB and the connector
document finisher) nals. of the centerfold staple motor, and the conti-
Jam89 is indicated. nuity across the connector terminals. Repair
or replace if necessary.
Defective center- Replace the centerfold staple motor.
fold staple motor.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.

1-4-39
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8350 Centerfold side registration motor 2 Poor contact in the Check the connection of connector YC7 on
problem (optional centerfold unit of connector termi- the centerfold main PWB and the connector
3000-sheet document finisher) nals. of centerfold side registration motor 2, and
The home position is not detected when the continuity across the connector termi-
initial operation even if 1000 ms passed. nals. Repair or replace if necessary.
Defective center- Replace centerfold side registration motor 1.
fold side registra-
tion motor 2.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8360 Centerfold main motor problem Poor contact in the Check the connection of connector YC12 on
(optional centerfold unit of 3000-sheet connector termi- the centerfold main PWB and the connector
document finisher) nals. of the centerfold main motor, and the conti-
The motor lock signal is detected above nuity across the connector terminals. Repair
1000 ms during driving the centerfold or replace if necessary.
main motor.
Defective center- Replace the centerfold main motor.
fold main motor.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8440 Sensor adjusting problem (optional The paper entry Reinsert the connector. Also check for conti-
document finisher) sensor connector nuity within the connector cable. If none,
The sensor cannot be adjusted within makes poor con- remedy or replace the cable.
the specified range. tact.
Defective paper Replace the paper entry sensor and check
entry sensor. for correct operation.
The optical path of Remove the foreign matter.
the paper entry
sensor is blocked
by foreign matter.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
C8460 EEPROM problem (optional document Defective Replace the finisher main PWB and check
finisher) EEPROM or fin- for correct operation.
Reading from or writing to EEPROM isher main PWB.
cannot be performed.
C8500 Mail box communication error Poor contact in the Check the connection of the connector of
(optional mail box of 3000-sheet doc- connector termi- the mail box and the connector YC7 on the
ument finisher) nals. finisher main PWB, and the continuity
Communication with the mail box is not across the connector terminals. Repair or
possible although the connection is replace if necessary.
detected.
Defective PWB. Replace the mail box main PWB or finisher
main PWB and check for correct operation.

1-4-40
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C8510 Mail box drive motor problem Poor contact in the Check the connection of connector YC2 on
(optional mail box of 3000-sheet doc- connector termi- the mail box main PWB and the connector of
ument finisher) nals. the mail box drive motor, and the continuity
The motor lock signal is detected above across the connector terminals. Repair or
500 ms during driving the mail box drive replace if necessary.
motor.
Defective mail box Replace the mail box drive motor.
drive motor.
Defective PWB. Replace the mail box main PWB or finisher
main PWB and check for correct operation.
C8800 Document finisher communication Poor contact in the Check the connection of connector on the
problem (optional 3000-sheet docu- connector termi- finisher main PWB and the connector on the
ment finisher) nals. engine PWB, and the continuity across the
No communication: there is no reply connector terminals. Repair or replace if
after 5 retries. necessary.
Abnormal communication: a communica-
Defective PWB. Replace the finisher main PWB or engine
tion error (parity or checksum error) is
PWB and check for correct operation.
detected five times in succession.
C8900 Backup memory data problem Poor contact in the Check the connection of connector on the
(optional 3000-sheet document fin- connector termi- finisher main PWB and the connector on the
isher) nals. engine PWB, and the continuity across the
Read and write data does not match. connector terminals. Repair or replace if
necessary.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
C8910 Backup memory data problem Poor contact in the Check the connection of connector on the
(optional punch unit of 3000-sheet connector termi- punch PWB and the connector YC4 on the
document finisher) nals. finisher main PWB, and the continuity
Read and write data does not match. across the connector terminals. Repair or
replace if necessary.
Defective punch Replace the punch PWB and check for cor-
PWB. rect operation.

C8920 Backup memory data problem Poor contact in the Check the connection of connector on the
(optional mail box of 3000-sheet doc- connector termi- mail box main PWB and the connector YC7
ument finisher) nals. on the finisher main PWB, and the continuity
Read and write data does not match. across the connector terminals. Repair or
replace if necessary.
Defective mail box Replace the mail box main PWB and check
main PWB. for correct operation.
C8930 Backup memory data problem Poor contact in the Check the connection of connector on the
(optional centerfold unit of 3000-sheet connector termi- centerfold main PWB and the connector
document finisher) nals. YC5 on the finisher main PWB, and the con-
Read and write data does not match. tinuity across the connector terminals.
Repair or replace if necessary.
Defective center- Replace the centerfold main PWB and
fold main PWB. check for correct operation.

1-4-41
2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
C9000 DP communication problem Poor contact in the Check the connection of connector YC7 on
(optional DP) connector termi- the scanner PWB and the connector of the
A communication error is detected. nals. DP, and the continuity across the connector
terminals. Repair or replace if necessary.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
C9040 DP lift motor going up error Loose connection Reinsert the connector. Also check for conti-
(optional DP) of the DP lift motor nuity within the connector cable. If none,
The pulse count raised to 10000 at lift- connector. remedy or replace the cable.
ing, however, the DP lift switch could not
Malfunction of the Replace the DP lift motor and check for cor-
be turned on. After one time retry, the DP
DP lift motor. rect operation.
lift limit switch could not be turned on.
Malfunction of the Replace the DP lift upper limit switch and
DP lift upper limit check for correct operation.
switch.
Loose connection Reinsert the connector. Also check for conti-
of the DP lift upper nuity within the connector cable. If none,
limit switch con- remedy or replace the cable.
nector.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
C9050 DP lift motor going down error Loose connection Reinsert the connector. Also check for conti-
(optional DP) of the DP lift motor nuity within the connector cable. If none,
The pulse count lowered to 10000 at lift- connector. remedy or replace the cable.
ing down, however, the DP bottom limit
Malfunction of the Replace the DP lift motor and check for cor-
switch could not be turned on.
DP lift motor. rect operation.
After one time retry, the DP bottom limit
switch could not be turned on. Malfunction of the Replace the DP lift lower limit switch and
DP lift lower limit check for correct operation.
switch.
Loose connection Reinsert the connector. Also check for conti-
of the DP lift lower nuity within the connector cable. If none,
limit switch con- remedy or replace the cable.
nector.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
C9060 DP EEPROM error (optional DP) Defective DP main Replace the DP main PWB and check for
Read and write data does not match. PWB. correct operation.
Data in the specified area of the backup
Device damage of Contact the Service Administrative Division.
memory does not match the specified
EEPROM.
values.
C9070 Communication problem between DP Loose connection Reinsert the connector. Also check for conti-
and SHD (optional DP) of the SHD PWB. nuity within the connector cable. If none,
A communication error is detected. remedy or replace the cable.
Defective SHD Replace the SHD PWB and check for cor-
PWB. rect operation.
C9080 Communication problem between DP Loose connection Reinsert the connector. Also check for conti-
and CIS (optional DP) of CIS. nuity within the connector cable. If none,
Reading cannot be performed correctly. remedy or replace the cable.
Defective CIS. Replace CIS and check for correct opera-
tion.

1-4-42
 2GN/2GP/2GR

Remarks
Code Contents
Causes Check procedures/corrective measures
F000 Operation panel PWB communication Defective main Replace the main PWB and check for cor-
error PWB. rect operation.
Defective opera- Replace the operation panel PWB and
tion panel PWB. check for correct operation.
F010 Main PWB checksum error Defective main Replace the main PWB and check for cor-
PWB. rect operation.
F020 Memory checksum error Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective expan- Replace the expansion memory and check
sion memory. for correct operation.
F030 Main PWB system error Defective main Replace the main PWB and check for cor-
PWB. rect operation.
F040 Engine PWB communication error Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
F041 Scanner PWB communication error Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
F050 Engine ROM checksum error Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
F060 Engine RAM error Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
F070 Flash ROM error Defective flash Replace the flash ROM and check for cor-
ROM. rect operation.
F080 Flash ROM error (during download) Defective flash Replace the flash ROM and check for cor-
ROM. rect operation.
F090 Fax control PWB communication Defective main Replace the main PWB and check for cor-
error PWB. rect operation.

1-4-43