4.4.88 TTroroububleleshshooootinting fg for or FuFuseser Ur Uninit Pt Proroblblememss
4.4.8.8.11 FuFuseser r ununit it fafaililururee
4.4.99 TTroroububleleshshooootiting ng fofor Lr Lasaser er UnUnit it PrProboblelemsms
4.4.9.9.11 LaLaseser r ununit it fafaililururee
SStteepp CCaauussee RReemmeeddyy
11
Connection failure of the centerConnection failure of the center
thermistor harness of the fuser unitthermistor harness of the fuser unit
Reconnect the center thermistor harness ofReconnect the center thermistor harness of
the fuser unit.the fuser unit.
22
Connection failure of the sideConnection failure of the side
thermistor harnessthermistor harness
Reconnect the side thermistor harness.Reconnect the side thermistor harness.
33
Connection failure of the lowConnection failure of the low
voltage PCB harnessvoltage PCB harness
Reconnect the low voltage PCB harness.Reconnect the low voltage PCB harness.
44
Connection failure of the heaterConnection failure of the heater
harness of the fuser unitharness of the fuser unit
Reconnect the heater harness of the fuserReconnect the heater harness of the fuser
unit.unit.
55
Low voltage power supply PCBLow voltage power supply PCB
failurefailure
Replace the low voltage power supply PCBReplace the low voltage power supply PCB
unit.unit.
66 FFuusseer r uunniit t ffaaiilluurree RReeppllaacce e tthhe e ffuusseer r uunniitt..
77 MMaaiin n PPCCB B ffaaiilluurree RReeppllaacce e tthhe e mmaaiin n PPCCB B AASSSSYY..
Note:Note:
•• TurTurn the power swin the power switch OFF and then batch OFF and then back ON again. Leck ON again. Leave the machiave the machine forne for
approximately 15 minutes to cool the heater. This problem may have then been solved.approximately 15 minutes to cool the heater. This problem may have then been solved.
<User Check><User Check>
-- Turn ON the Turn ON the power switch, then open the top coverpower switch, then open the top cover. Leave the machine for a w. Leave the machine for a while tohile to
remove condensation.remove condensation.
SStteepp CCaauussee RReemmeeddyy
11
Connection failure of the laser unitConnection failure of the laser unit
flat cableflat cable
Reconnect the laser unit flat cable.Reconnect the laser unit flat cable.
22
Connection failure of the polygonConnection failure of the polygon
motor harnessmotor harness
Reconnect the polygon motor harness.Reconnect the polygon motor harness.
33 LLaasseer r uunniit t ffaaiilluurree RReeppllaacce e tthhe e llaasseer r uunniitt..
44 MMaaiin n PPCCB B ffaaiilluurree RReeppllaacce e tthhe e mmaaiin n PPCCB B AASSSSYY..
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