Oki C911 Maintenance Manual page 63

Oki Data CONFIDENTIAL
Panel display Cause
Service Call A duplex unit for
111:Error another model was
detected.
Service Call A 2nd Tray for another
112:Error model was detected.
Service Call A 3rd Tray for another
113:Error model was detected.
Service Call A 4th Tray for another
114:Error model was detected.
Service Call A 5th Tray for another
115:Error model was detected.
Service Call High voltage power
121:Error supply interface error
Service Call Abnormal
123:Error environment humidity
or unconnected
humidity sensor
Service Call Abnormal
124:Error environment
humidity
45530603TH Rev.2
Check details Solution
Result
Is a duplex unit
provided for this model Yes Install a correct
installed? duplex unit.
Is a 2nd Tray provided Yes Install a correct 2nd
for this model installed? Tray.
Is a 3rd Tray provided Yes Install a correct 3rd
for this model installed? Tray.
Is a 4th Tray provided Yes Install a correct 4th
for this model installed? Tray.
Is a 5th Tray provided Yes Install a correct 5th
for this model installed? Tray.
Is the fuse on the Yes Replace the
printer control PCB printer control PCB
blown? (then check the
following).
Is the cable No Re-connect it
connecting the printer properly.
control PCB to the
Yes Check for defective
high voltage power
contact points of
supply unit connected
the high voltage
properly?
system.
Is there any defective No Replace the high
contact point? voltage power
supply unit.
Power OFF/ON.
Does this error recur? Yes Replace the
environmental
sensor board and
the FFC.
Does this error recur? Yes Replace the printer
control PCB.
Power OFF/ON.
Does this error recur? Yes Replace the
environmental
sensor board and
the FFC.
Does this error recur? Yes Replace the printer
control PCB.
Panel display Cause
Service Call Multi-purpose Tray
125:Error Home Error
Power Off and Dew condensation
Wait for a while in the printer was
126:Condensing detected.
Error
4. TROUBLESHOOTING PROCEDURE
Check details Solution
Result
Does the motor un in Yes Check the sensor
the motor testing of cable for a break
the PU self-diagnostic or short, and the
mode. connector semi-
locking relay PCB
and the printer
control PCB for
abnormal condition.
No Check the hopping
motor and the gear
train for abnormal
condition.
This error tends to After leaving the
occur after a printer printer at room
is carried in from the temperature, turn
outsides. on the power again.
Leave the printer for
2 hours to half a day
at room temperature,
and turn on the power.
Does this error recur? Yes Replace the
environmental
sensor board and
the FFC.
Does this error recur? Yes Replace the printer
control PCB.
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