Oki MC760 User Manual

45376001TH Rev.1
154 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
Error code Cause Error details Remedial measure
C5A1 Read/write
error of
the engine
EEPROM is
detected.
Does this error recur?
Ye s
Turn off the power
of the printer and
back on.
Replace the PU
board.
C940 Engine control
logic has an
error.
Does this error recur?
Ye s
Turn off the power
of the printer and
back on.
Replace the PU
board.
F031 Duplex unit for
other model is
detected.
Is the Duplex unit for that
specific model installed?
No
Install the correct
duplex unit.
F033 2nd tray for
other model is
detected.
Is the 2nd tray for that specific
model installed?
No Install the correct
2nd tray.
F032 3rd tray for
other model is
detected.
Is the 3rd tray for that specific
model installed?
No Install the correct
3rd tray.
C96A High voltage
power supply
interface error.
Is the cable connecting the PU
board to the high voltage unit
connected normally?
Have you checked defective
contact of contactor points?
Note)
No
Ye s
No
Re-connect them
normally.
Check for defective
contact of the high
voltage system.
Replace the high
voltage power
supply.
C0A2 Low voltage
power supply
fan error
Is the fan (bottom right of the
front) of the low voltage power
supply block working?
Is the fan connector connected
normally?
No
Ye s
No
Ye s
Check for sure
connection of the
fan connector.
Replace the PU
board.
Replace the fan
motor.
CE51 Environment
humidity is
abnormal./
Humidity
sensor is not
connected.
Does this error recur?
Ye s
Turn off the power
of the printer and
back on.
Replace the Board
MFH.
CE50 Environment
temperature
is abnormal.
Does this error recur?
Ye s
Turn off the power
of the printer and
back on.
Replace the Board
MFH.
Error code Cause Error details Remedial measure
CE52 Dew
condensation
of the printer
is detected.
This error can easily occur
when a printer is brought in to
indoor from outdoor.
Leave the printer for 2 hours
or half day under room
temperature, and turn on the
power again.
Does this error recur?
Ye s
After leaving a
printer under room
temperature, turn
on the power
again.
Replace the Board
MFH.
C0A1 Fuser exhaust
fan error
Is the fan connector connected
normally?
Does this error recur?
No
Ye s
No
Re-connect it
normally.
Replace the fan
motor.
Replace the PU
board.
C0A5 ID cooling fan
error
Is the fan connector connected
normally?
Does this error recur?
No
Ye s
No
Re-connect it
normally.
Replace the fan
motor.
Replace the PU
board.
C0A6 Duplex
FAN Alarm
Caution
Fan error inside the Duplex unit.
Does the error recur when the
power is turned off once and
back on?
Does the error recur when the
power is turned off once and
back on?
Ye s
Ye s
Check if the Duplex
unit is installed
normally or not.
Check if the fans
are installed
normally or not.
Replace the fan.
CE82~
CE85
LED head
detection
error
(CE82=Y,
CE83=M,
CE84=C,
CE85=K)
Is the LED head connected
normally?
Is the LED HEAD fuse brown?
Does this error recur?
No
Ye s
Ye s
No
Ye s
Install the LED
head unit normally.
Check the LED
HEAD fuse.
After checking fuse
Turn on the power
again.
For the method of
checking the LED
head unit fuse,
refer to section 7.6.
CE7A ID Up/Down
position
detection
error
Is the ID unit caught by anything
when it is removed and re-
installed?
Does this error recur?
Ye s
No
Ye s
Re-install the ID
unit.
Turn on the power
again.
Replace the high
voltage power supply.

Oki MC760 Specifications

General

Brand	Oki
Model	MC760
Category	Printer
Language	English