Oki MC873dn Maintenance Manual page 56

Oki Data CONFIDENTIAL
Panel display Cause
Inspection is A Tray4 for Is a Tray4 provided for
required. another model this model installed?
114:Error was detected.
Inspection is PU cooling FAN Is the FAN connector
required. error connected correctly?
120:Error
Inspection is High voltage Is the cable connecting
required. power supply the CU board to the
121:Error interface error high voltage power
supply unit connected
properly?
Is there any defective
contact point?
Inspection is Low voltage FAN Is the FAN of the low
required. error voltage power supply
122:Error block working?
Is the FAN connector
connected correctly?
Inspection is Abnormal
required. environment Does this error recur?
123:Error humidity or
unconnected
humidity sensor
Inspection is Abnormal
required. environment Does this error recur?
124:Error humidity
Inspection is Dew This error tends to occur
required. condensation in after a printer is carried
126:Error the printer was in from the outsides.
detected. Leave the printer for 2
hours to half a day at
room temperature, and
turn on the power. Does
this error recur?
Inspection is Fuser FAN error Is the FAN connector
required. connected properly?
127:Error Does this error recur?
45850101TH Rev.1
Check details Result Solution
No Install a correct Tray4.
No Check to make sure
connection of the FAN
connector.
Yes Replace the FAN motor.
No Re-connect them properly.
Yes Check for defective contact
points of the high voltage
system.
No Replace the high voltage
power supply unit.
No Check to make sure
connection of the FAN
connector.
Yes Replace the low voltage
power supply unit.
No Replace the FAN motor.
Yes Replace the low voltage
power supply unit.
Cycle the power.
Yes Replace the Environment
sensor board.
Cycle the power.
Yes Replace the Environment
sensor board.
After leaving the printer at
room temperature, turn on the
power again.
Yes Replace the Environment
sensor board.
No Re-connect it properly.
Yes Replace the FAN motor.
Yes Replace the CU/PU board.
Panel display Cause Check details
Inspection is PU FAN error Is the FAN connector
required. 04 : Belt Cooling connected correctly?
128:Error xx Fan Error
05 : Fuser Side
Fan Error
08 : Image Drum
Motor Fan Error
0A : Fuser Intake
Fan Error
0C : Duplex Fan
Error
0D : Fuser
Exhaust Fan2
Error
Inspection is LED head
required. detection error
131:Error (131=Y, 132=M,
133=C, 134=K)
Inspection is
required.
132:Error
Inspection is
required.
133:Error
Inspection is
required.
134:Error
Inspection is Cyan Image
required. drum position
142:Error detection error
Inspection is The belt unit
required. fuse blown out.
154:Error
Inspection is The fuser unit
required. fuse blown out.
155:Error
Inspection is Toner sensor Is the toner cartridge
required. detection error installed?
160:Error (160=Y, 161=M, Is the lock lever of the
162=C, 163=K) toner set?
Inspection is
This error does Does this error recur?
required.
not occur with
161:Error
the factory
Inspection is
default settings.
required.
162:Error
Inspection is
required.
163:Error
2. TROUBLESHOOTING PROCEDURES
Result Solution
No Check to make sure
connection of the FAN
connector.
Yes Replace the FAN motor.
No Install the toner cartridge.
No Move the lock lever of toner
cartridge to the lock position.
Yes Replace the toner sensor
assembly.
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