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TROUBLESHOOTING
5 - 115
5
20)Poor cleaning
Fig. 5-20
Defective area Step Check items Prescription
Developer material 1 Using the specified developer mate-
rial?
Use the specified developer material
and toner.
Cleaner 2 Is the cleaning blade in proper con-
tact with the drum?
Check the cleaning blade.
3 Has the cleaning blade been turned
up?
Replace the cleaning blade.
Check and replace drum if neces-
sary.
Toner recovery auger 4 Is the toner recovered normally? Clean the toner recovery auger.
Check the pressure of the cleaning
blade.
Fuser unit 5 Is the cleaning roller damaged or has
it reached its PM life?
Replace the cleaning roller.
6 Are there bubble-like scratches on
the fuser roller (94 mm pitch on the
image)?
Replace the fuser roller. Check and
adjust the temperature control circuit.
7 Has the fuser roller reached its PM
life?
Replace the fuser roller.
8 Is the pressure of the fuser roller nor-
mal?
Check and adjust the mechanism.
9 Is the setting temperature of the fuser
roller normal?
Check the setting and correct it.
08-407, 410, 411, 450, 515, 516
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