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Message

Cause

Error Description

Solutions

Service Call
042: Error
~
044: Error

Service Call
048: Error

Service Call
049: Error

Service Call
050: Error

Service Call
051: Error

Service Call
063: Error

Service Call
065: Error

Service Call
070: Error

Service Call
072: Error

Service Call
073: Error
~
075: Error

Service Call
102: Error

Service Call
103: Error

Service Call
104: Error

Service Call
105: Error

Service Call
106: Error

Service Call
107: Error

Flash File SYSTEM
Error

CU ROM for PS+PCL
was set in Non-PS
device.

CU type mismatch
CU ROM does not
match with the device.

Operater Panel Error

CU Fan Error
Abnormal CPU cooling
fan on CU board.

Network comm. Error
Abnormal H/W I/F
between CU-NIC.

NIC Combination Error

CANT_HAPPEN
PS firmware fault
detected.

Engine communication
error I/F error between
PU-CU.

Video overrun detect

Error in engine RAM
read/write detected at
power ON.

Error in engine SRAM
read/write detected at
power ON.

Error in engine
EEPROM check total
detected at power ON.

EEPROM not detected
at power ON.

Error in engine control
logic detected at power
ON.

Engine ROM
check sum error.

Failed access to Flash set directly on CU
board.

Is proper program ROM set?

Is proper program ROM set?

Does error display reappear?

Is connector set properly on CU board?

Is error recovered by replacing fan?

Is network board set properly?

Is error recovered by replacing network
board?

Is proper Network board for the model set?

Confirm that error is recovered by turning
power OFF/ON.

Is CU assembly set properly?

Is error recovered by replacing TIG board?

Is CU assembly set properly?
Is error recovered by replacing TIG board?

Does error reoccur?

Does error reoccur?

Does error reoccur?

Does EEPROM exist?
Does error reoccur?

Does error reoccur?

Does error reoccur?
Is error recovered by reloading PU F/W?

Yes

No

Yes

No

Yes

No

Yes

No

No

Yes

No

Yes

No

No

No

Yes

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Press

)

,

3

,

5

,

6

 to turn power ON,

release buttons when
[FLASH FORMAT] appears, wait until
[ON-LINE] (2sec) and replace TIG
board if symptom does not change.

Replace program ROM DIMM.
Replace with proper program ROM
DIMM.

Replace program ROM DIMM.
Replace with proper program ROM
DIMM.

Refer to  no LCD display  flow chart.

Connect properly.
Replace fan.
Replace TIG board.
(Replace EEPROM.)

Set properly.
Replace Network.
Replace TIG board.
(Replace EEPROM.)

Replace NIC card.
Replace with proper Network board
(MLETB11, etc.).

Replace TIG board.
(Replace EEPROM.)

Set properly.
Replace TIG board.
(Replace EEPROM.)
Replace PU board.

Set properly.
Replace TIG board.
(Replace EEPROM.)

Replace engine control board (K7N).

Replace engine control board (K7N).

Replace engine control board (K7N).

Check for EEPROM and set if not
found.
Replace engine control board (K7N).

Replace engine control board (K7N).

Reload PU I/F.
Replace engine control board (K7N).

 

Message

Cause

Error Description

Solutions

Service Call
110: Error
~
116: Error
110: Envelope
Feeder
111: Duplex unit
112: 2nd Tray
113: 3rd Tray
114: 4th Tray
115: 5th Tray
116: Finisher

Service Call
120: Error

Service Call
121: Error

Service Call
122: Error

Service Call
123: Error

Service Call
124: Error

Service Call
125: Error

Turn power
OFF and wait
126: Dew
error

Service Call
130: Error

Service Call
131: Y Head
132: M Head
133: C Head
134: K Head

Service Call
140: Y ID
141: M ID
142: C ID
143: K ID

Service Call
150: Y
151: M
152: C
153: K

Service Call
154: Error

Service Call
155: Error

Option unit for different
model detected.

PU unit fan motor error.

High-voltage power
supply I/F error.

Low-voltage power
supply fan error.
Low-voltage power
supply temperature error.

Improper environment
humidity detected by
sensor.

Improper environment
temperature detected
by sensor.

Error detected at MT
home position.

Sensor dew error.

Temperature rise
detected at LED head.

Same unit not detected
upon power ON or
opening cover.

Error detected at
proper ID position.

When a fuse could not
be disconnected in the
ID unit.

When belt unit fuse
cannot be disconnected.

When fuser unit fuse
cannot be disconnected.

Is a proper option unit for the printer set?

1) Is fan in PU unit operating?

2) Error reoccurs after replacing fan motor.

Is cable between PU board andhigh-
voltage power LSI connected properly?

1) Is fan in low-voltage power supply unit
    operating?
2) Error reoccurs after replacing fan motor.

1) Is error message displayed?
2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

Sensor dew error detected.

1) Is error message displayed?

2) Does error reoccur?

1) Is error message displayed?
2) Is LED head properly set?
3) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

Is ID unit set properly?

Is belt unit set properly?

Is fuser unit set properly?

Yes

No

No

Yes
Yes

No

Yes

No

Yes
Yes

Yes
Yes

Yes
Yes

Yes
Yes

Yes
Yes
Yes

Yes

No

Yes

Yes
Yes

Yes

Yes

Yes

Set proper option unit.
Check connections and turn power
ON. If error is not recovered, replace
the unit.

Replace fan motor.
Replace engine control board (K7N).
Replace engine control board (K7N).

Connect properly.
Replace high-voltage power supply.
Check improper connections for
high-voltage.

Replace fan motor.
Replace low-voltage power supply.
Replace low-voltage power supply.

Turn ON power again.
Replace humidity sensor.

Turn ON power again.
Replace humidity sensor.

Turn ON power again.
Replace MT.

Turn ON power after a while.

Leave alone for 30 min.
Turn power OFF. Leave for 30 min.,
then turn power ON. Replace LED
head.

Confirm that LED head is set properly.
Turn power ON again.
Replace LED head assembly.

Turn power ON again.
Replace drum assembly.

Check cable connections and replace
engine board.

Check cable connections and replace
engine board.

Check cable connections and replace
engine board.

 

Message

Cause

Error Description

Solutions

Service Call
160: Y Toner
161: M Toner
162: C Toner
163: K Toner

Service Call
170: Error
171: Error
174: Error
175: Error

Service Call
172: Error
176: Error

Service Call
173: Error
177: Error

Service Call
179: Error

Service Call
180: Error
~
186: Error

Service Call
187: Error

Close cover
310: Top
cover open

Reset fuser
320: Fuser
error

Turn power
OFF and wait
321: MOTOR
OVERHEAT

Open/close
cover
323: Paper
thickness
error

Open/close
cover
324: Paper
thickness
error

Open/close
cover
325: Paper
thickness
error

Open/close
cover
326: Paper
thickness
error

Error detected by toner
sensor.

Short circuit in fuser
thermistor or open
detected (high temp.
or low temp.)

Thermistor indicates
high-temperature error.

Thermistor indicates
low-temperature error.

Wrong fuser standard.

Communication
disability with option
unit detected by engine.

Communication with
control panel disabled.

Printer engine cover
open.

Same unit not detected
upon power ON or
opening cover.

Printer cannot be used
temporarily due to
motor overheat.

Sensor output out of
range with no media.
(Only for Factory Mode)

Sensor output gap out
of range with no media.
(Only for Factory Mode)

Media detect value out
of range.

U-Heavy mode media
detect value out of
range.

1) Is error message displayed?

2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

1) Does fuser match with model and power
    voltage?
2) Error reoccurs after setting fuser properly.

1) Is error message displayed?
2) Does error reoccur?

Is cable properly connected to control panel?

1) Check if top cover is open.
2) Check if cover switch is proper.

1) Is error message displayed?
2) Is fuser unit set properly?
3) Does error reoccur?

1) Are foreign objects mixed in sensor?
2) Does printer recover when detecting
    paper thickness by opening/closing tray?
3) Does printer recover by power OFF/ON.

1) Are foreign objects mixed in sensor?
2) Does printer recover when detecting
    paper thickness by opening/closing tray?
3) Does printer recover by power OFF/ON.

1) Is different media type mixed in?
2) Is media being double fed?

Is different media type mixed in?

Yes

Yes

Yes
Yes

Yes
Yes

Yes
Yes

No

Yes
Yes

Yes
Yes

No

Yes

Yes
Yes

No

Yes

No

Yes

Yes

No

Yes

No

Yes

Yes

Replace toner sensor or assembly
(Y71-PWB).
Same as above.

Turn ON power again.
Replace thermistor and turn power
OFF. Leave aside for 30 min.

Turn ON power again.
Replace thermistor and turn power
OFF. Leave aside for 30 min.

Turn ON power again.
Replace thermistor and turn power
OFF. Leave aside for 30 min.

Set proper fuser.
Check if fuser is set properly.
Replace fuser.

Turn ON power again.
Replace option unit.

Connect properly.
Replace control panel and cable.

Close top cover.
Close side cover.
Replace cover switch.

Check if fuser is set properly.
Reset fuser and turn ON power again.
Replace fuser unit assembly.

Turn ON power after a while.

Remove foreign objects.
Normal.

Remove foreign objects.
Normal.

Remove foreign objects.

Remove foreign objects.

 

Message

Cause

Error Description

Solutions

Reset belt
330: Belt error

Reset drum
330~343:
Drum error

Set new drum
350: Yellow drum
life
351: Magenta
drum life
352: Cyan drum
life
353: Black drum
life

Set new fuser
354: Fuser life

Set new belt
355: Belt life

Set new belt
356: Belt life

Set duplex unit
360: Duplex
unit is open.

Check
DUPLEX
370: Paper jam

Check
DUPLEX
371: Paper jam

Check
DUPLEX
372: Paper jam

Open front
cover
380: Paper jam

Open top
cover
381: Paper jam

Open top
cover
382: Paper jam

Open top
cover
383: Paper jam

Same unit not detected
upon power ON or
closing cover.

Same as above.

ID unit life.

Fuser life (occurs when
fuser life continuation
is OFF).

Belt life notified (alarm).
Print N-count by
opening and closing
cover.

Waste toner belt life
notified (alarm).
Print N-count by
opening and closing
cover. N=20

When duplex unit is
removed from printer.

Paper jam detected
after paper rotated in
duplex unit.

Paper jam during paper
feed from duplex unit.

Paper jam during paper
feed from cassette 1, 2,
3, 4 or 5.

Paper jam detected
between black ID and
fuser

Paper jam detected in
fuser or during paper
ejection from fuser.

Paper jam detected
when paper started to
enter duplex print unit.

1) Is error message displayed?
2) Is belt unit set properly?
3) Does error reoccur?

1) Is error message displayed?
2) Is image drum set properly?
3) Does error reoccur?

Right after replacing ID unit?

Right after replacing fuser?

Right after replacing belt?

Right after replacing belt?

Does error recover by resetting duplex
unit?

Check paper jam in duplex unit.

Check paper jam in duplex unit.

Check miss-feed in duplex unit.

Check miss-feed in duplex unit.

1) Check paper jam between yellow ID
    and fuser.
2) Check fuser unit load.

1) Check paper jam in fuser and between
     yellow ID and fuser.
2) Check if paper ejection switch is proper.

Check paper jam in duplex unit or at
entrance.

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Check set condition of belt unit.
Reset belt unit and turn power ON
again.
Replace belt unit assembly.

Check set condition of ID.
Turn power ON again.
Replace ID unit assembly.

Check ID unit life.
Replace ID unit.

Check fuser life.
Replace fuser.

Check belt life.
Replace belt.

Check belt life.
Replace belt.

Normal.
Replace duplex unit or engine board.

Remove jammed paper.
Check/replace duplex unit.

Remove jammed paper.
Check/replace duplex unit.

Remove miss-fed paper and close
cover.
Check/replace duplex unit.

Remove miss-fed paper and set
cassette.
Check/replace cassette 1, 2, 3, 4, or 5.

Remove jammed paper.

Replace fuser unit.

Remove jammed paper.

Replace paper ejection switch.

Remove jammed paper.
Check/replace duplex unit.