4.4.14.4.177 BlacBlack k bandband
4.4.14.4.188 DownwDownward foggiard fogging of solid colorng of solid color
4.4.14.4.199 HorizHorizontontal linesal lines
<User Check><User Check>
-- This problem may disappear This problem may disappear after printing multiple sheetafter printing multiple sheets of papers of paper..
When the machine has not been used for long periods of time, tryWhen the machine has not been used for long periods of time, try
printing several sheets printing several sheets of paper.of paper.
-- ReplaReplace the toner cce the toner cartridartridge with a new oge with a new one.ne.
-- ReplaReplace the drum uce the drum unit with a nnit with a new one.ew one.
SStteepp CCaauussee RReemmeeddyy
11
Dirt on electrodes of the drum unitDirt on electrodes of the drum unit
and those of the machineand those of the machine
Clean the electrodes of the drum unit andClean the electrodes of the drum unit and
those of the machine. (Refer tothose of the machine. (Refer to Fig. 1-7
Fig. 1-7andand
Fig. 1-8
Fig. 1-8.).)
22
Dirt on electrodes of the tonerDirt on electrodes of the toner
cartridge and those of the machinecartridge and those of the machine
Clean the electrodes of the toner cartridgeClean the electrodes of the toner cartridge
and those of the machine. (Refer toand those of the machine. (Refer to Fig. 1-7
Fig. 1-7
andand Fig. 1-8
Fig. 1-8.).)
33
Scratch or dirt on the heat unit or,Scratch or dirt on the heat unit or,
dirt on the pressure rollerdirt on the pressure roller
Replace the fuser unit.Replace the fuser unit.
44 MMaaiin n PPCCB B ffaaiilluurree RReeppllaacce e tthhe e mmaaiin n PPCCB B AASSSSYY..
<User Check><User Check>
-- ReplacReplace the toner ce the toner cartridartridge with a new oge with a new one.ne.
-- ReplaReplace the drum unce the drum unit with a new it with a new one.one.
SStteepp CCaauussee RReemmeeddyy
11
High voltage power supply PCBHigh voltage power supply PCB
failurefailure
Replace the high voltage power supply PCBReplace the high voltage power supply PCB
ASSY.ASSY.
22 MMaaiin n PPCCB B ffaaiilluurree RReeppllaacce e tthhe e mmaaiin n PPCCB B AASSSSYY..
<User Check><User Check>
-- ReplacReplace the toner ce the toner cartridgartridge with a new oe with a new one.ne.
-- ReplacReplace the drue the drum unit wm unit with a new ith a new one.one.
SStteepp CCaauussee RReemmeeddyy
11 FFuusseer r uunniit t ffaaiilluurree RReeppllaacce e tthhe e ffuusseer r uunniitt..
22 LLaasseer r uunniit t ffaaiilluurree RReeppllaacce e tthhe e llaasseer r uunniitt..