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ERROR CODE and TROUBLESHOOTING
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8.5.24 Poor cleaning
Notes:
Poor cleaning may occur in feeding direction.
Fig.8-33
Cause/Section Step Check item Measures
Developer
material
1 Is the specified developer material
used?
Use the specified developer material
and toner.
Drum cleaner 2 Is there dust on the drum cleaning
blade edge?
Clean or replace it.
3 Is the drum cleaning blade peeled? Replace the blade.
Transfer belt
cleaner
4 Is there paper dust on the edge of
transfer belt cleaning blade?
Clean or replace it.
5 Is the transfer belt cleaning blade
peeled?
Replace the blade.
6 Is the transfer belt cleaning blade in
proper contact with the transfer belt?
Take off the transfer belt and check if
the transfer belt cleaning blade
pressure spring is installed properly.
Toner recovery
auger
7 Is the toner recovery defective? Clean the toner recovery auger.
Check the cleaning blade pressure.
Fuser unit 8 Is there any bubble-like defect on the
fuser belt (approx. 188 mm pitch on
the image)?
Replace the fuser belt. Check and
modify the heater IH control circuit.
9 Have the fuser belt and pressure
roller reached their PM life?
Replace them.
10 Is the pressure between the fuser belt
and pressure roller proper?
Check and adjust the pressure
mechanism.
11 Is the temperature of fuser belt
proper?
Check/correct the setting value of
fuser belt temperature.
Clean or replace the thermopiles.
Check and correct the circuit.
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