Oki MC560 MFP CX2032 Service & Troubleshooting Manual page 27

Service call High-voltage power
121:Error supply I/F error.
Service call Low-voltage power
122:Error supply fan error. Low-
voltage power supply
temperature
error.
Service call Abnormal environment
123:Error humidity / Not connected
humidity sensor.
Service call Abnormal environment
124:Error temperature.
Service call Condensation in the
126:Error printer was detected.
Service call Error detected at the
127:Error fuser unit cooling fan.
Service call LED head fault detected.
131 ~ 134 Error
131 = Yellow
132 = Magenta
133 = Cyan
134 = K (Black)
Service call Error detected at ID
140 ~ 142 Error position Up / Down
140= Y, 141= M, 142 = C
Service call ID unit fuse cannot be
150 ~ 153 Error disconnected.
150 = Y, 151 = M,
152 = C, 153 = K
Service call Belt unit fuse cannot be
154:Error disconnected.
Service call Fuser unit fuse cannot
155:Error be disconnected.
Is cable between PU board and
high-voltage power unit connected
properly?
Is there no improperly
connections?
Is fan in low-voltage power supply
unit operating?
Is fan connector connected
properly?
Does error reoccur?
Does error reoccur?
Condensation is likely to occur
when machine is moved from cold
to warm environments. Allow
printer to come to temperature for a
few hours.
Does the error reoccur?
Is fan connector connected
properly?
Does error reoccur?
Is LED head properly set?
Is the LED head fuse blown out?
Does error reoccur?
Is ID unit set properly?
Does error reoccur?
Is ID unit setting proper?
Does error reoccur?
Is belt unit setting proper?
Does error reoccur?
Is fuser unit set properly?
Does error reoccur?
No Connect properly.
Yes Check improper connections for HV.
No Replace high-voltage power supply.
No Check connections for connector of
fan.
Yes Replace low-voltage power supply.
No Replace fan motor.
Yes Replace low-voltage power supply.
Yes Power OFF/ON Replace the operator
panel PCB (PRP)
Yes Power OFF/ON. Replace the
operator
panel PCB(PRF)
Yes Turn on the printer again after it is
allowed to stabilize in the
environment.
Replace the operator panel PCB
Yes
(PRP)
No Connect properly again.
Yes Replace fan motor
No Replace PU PCB (PRF)
No Install the LED head unit properly.
Yes Check the LED head fuse.
Change the fuse.
Yes Replace the LED head unit.
No Reset ID unit.
Yes Replace ID Up/Down sensor.
No
Reset ID unit.
Yes After checking connections of cable
between PRT board and PU PCB,
replace PRT PCB.
No Reset belt unit.
Check cable connections. replace PU
Yes
PCB(PRF)
No After cleaning fuser connector, reset
Yes Check cable connections
and replace PU PCB (PRF)
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