Oki MC362w Maintenance Manual page 236

Oki Data CONFIDENTIAL
Display Cause
Inspection is The 2nd tray Is the 2nd tray for the MFP
required. for a model installed?
112 : Error different from
the MFP was
detected.
Inspection is High-voltage Is the cable between the CU/
required. power supply PU board and the high-
121 : Error interface error voltage power unit connected
properly?
Is a contact faulty?
Inspection is Rear-fan error Does the fan at the rear of
required. the MFP operate?
122 : Error
Is the connector of the fan
connected properly?
Inspection is Ambient Is the cable from the CU/PU
required. humidity board to the toner sensor
123 : Error error or non board connected properly?
connection
of humidity
sensor
Inspection is Ambient Is the cable from the CU/PU
required. temperature board to the toner sensor
124 : Error error board connected properly?
Power Off and Condensation Condensation is likely to
Wait for a while on the device form in such a case that a
126 : Condensing was detected. device is carried in from the
Error outdoors.
Leave the device untouched
for two hours to a half day
and turn on the power unit.
Does the error occur again?
Inspection is An error of Is the fan's connector
required. exhaust fan of properly connected?
127 : Error
the Fuser Does the error occur again?
44952001TH Rev.2
Error details Measure
No Install proper 2nd tray.
No Reconnect it properly.
Check the high-
Yes voltage line for no poor
connection.
No Replace the high-
voltage power supply.
No Be sure of the
connection of the
fan.
Yes Replace the CU/PU
board.
No Connect the fan
properly.
Yes Replace the CU/PU
board.
No Re-connect it properly.
Yes Replace the toner
sensor board.
No Re-connect it properly.
Yes Replace the toner
sensor board.
Yes Leave the device
untouched and turn on
the power unit.
Replace a control
panel board.
No Connect properly.
Yes Replace the fan's
motor.
No Replace the PU board.
Display Cause
Inspection is Image drum Is the connector of the fan
required. fan error connected properly?
128 : Error Does the error occur again?
05
Inspection is Front fan error Is the connector of the fan
required. connected properly?
128 : Error Does the error occur again?
08
Inspection is LED head Is the LED head installed
required. detection properly?
131 : Error error (131=Y,
～
132=M,
134 : Error 133=C, Is the LED head fuse
134=K) broken?
Does the error occur again?
Inspection is Image drum Is the image drum unit
required. up-down removed and installed
142 : Error movement smoothly?
position
detection error
Is the connector of the image
drum up-down clutch is
connected properly?
Inspection is Image drum Is the image drum unit
required. unit fuse-cut installed properly?
153 : Error error
Does the error occur again?
Is the MFP recovered by
replacing the toner sensor
board.
7. TROUBLESHOOTING PROCEDURES
Error details Measure
No Re-connect it properly.
Yes Replace the fan motor.
No Replace the CU/PU
board.
No Re-connect it properly.
Yes Replace the fan motor.
No Replace the CU/PU
board.
No Install the LED head
unit.
Yes Check the LED head
fuse.
Yes Check the fuse.
No Turn off and on the
MFP.
Yes Replace the LED head
unit.
Yes Re-install it.
No Be sure of the
connection of the
image drum up-down
clutch connector.
Yes Replace the toner
sensor board.
No Connect the image
drum updown clutch
properly.
No Re-install it.
Yes Turn off and on the
MFP.
Yes Be sure of the cable
connection from the
CU/PU board to the
toner sensor board,
and then replace the
toner sensor board.
No Replace the CU/PU
board.
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