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Oki Data CONFIDENTIAL
44158801TH Rev.2
218 /
Table 8-1-2 Service Call Error (3/7)
Message
Cause
Error Description
Solution
Service call
105:Error
An error detected
by checking, at
printer's power-
om, EEPROM
installation.
Does error reoccur?
Yes
Power OFF/ON
Replace PU PCB (PRF)
Service call
106:Error
Abnormal engine
control logic.
Does error reoccur?
Yes
Power OFF/ON
Replace PU PCB (PRF)
Service call
111:Error
Detected illegal
Duplex Unit.
Is Duplex Unit of C5300/C5100
installed?
Yes
Install Duplex Unit of
MC560.
Service call
112:Error
Detected illegal
2nd Tray.
Is 2nd Tray of C5300/C5100
installed?
Yes
Install 2nd Tray of MC560.
Service call
120: ERROR
PU unit FAN motor
error
1) Is the FAN in the PU unit
working?
2) Does the same error occur after
replacement of the FAN motor?
No
Yes
Yes
Replace the FAN motor.
Replace the PU board
(PRF).
Replace the PU board
(PRF).
Service call
121:Error
High-voltage power
supply I/F error.
Is cable between PU board and
high-voltage power unit connected
properly?
Is there no improperly connections?
No
Yes
No
Connect properly.
Check improper
connections for high-
voltage.
Replace high-voltage
power supply.
Service call
122:Error
Low-voltage power
supply fan error.
Low-voltage power
supply temperature
error.
Is fan in low-voltage power supply
unit operating?
Is fan connector connected
properly?
No
Yes
No
Yes
Check connections for
connector of fan.
Replace low-voltage
power supply.
Replace fan motor.
Replace low-voltage
power supply.
Service call
123:Error
Abnormal
environment
humidty /Not
connected humidity
sensor.
Does error reoccur?
Yes
Power OFF/ON
Replace the operator
panel PCB (PRP)
Service call
124:Error
Abnormal
environment
temperature.
Does error reoccur?
Yes
Power OFF/ON
Replace the operator
panel PCB(PRF)
Service call
126:Error
Condensation in
the printer was
detected.
Condensation iss likely to occur in
printers carried from the outside.
Turn on the printer again after it is
exposed to room temperature for
two hours to half a day. Does the
error reoccur?
Yes
Turn on the printer again
after it is left alone.
Replace the operator
panel PCB (PRP)
Service call
127:Error
Error detected
at the fuser unit
cooling fan.
Is fan connector connected
properly?
Does error reoccur?
No
Yes
No
Connect properly again.
Replace fan motor
Replace PU PCB (PRF)