Toshiba e-STUDIO5540C Service Manual page 330

8.5.24 Poor cleaning
Notes:
Poor cleaning may occur in feeding direction.
Cause/Section Step
Developer 1 Is the specified developer material
material used?
Drum cleaner 2 Is there dust on the drum cleaning
blade edge?
3 Is the drum cleaning blade peeled?
Transfer belt 4 Is there paper dust on the edge of
cleaner transfer belt cleaning blade?
5 Is the transfer belt cleaning blade
peeled?
6 Is the transfer belt cleaning blade in
proper contact with the transfer belt?
Toner recovery 7 Is the toner recovery defective?
auger
Fuser unit 8 Is there any bubble-like defect on the
fuser belt (approx. 188 mm pitch on
the image)?
9 Have the fuser belt and pressure
roller reached their PM life?
10 Is the pressure between the fuser belt
and pressure roller proper?
11 Is the temperature of fuser belt
proper?
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Fig.8-32
Check item
8 - 329
Measures
Use the specified developer material
and toner.
Clean or replace it.
Replace the blade.
Clean or replace it.
Replace the blade.
Take off the transfer belt and check if
the transfer belt cleaning blade
pressure spring is installed properly.
Clean the toner recovery auger.
Check the cleaning blade pressure.
Replace the fuser belt. Check and
modify the heater IH control circuit.
Replace them.
Check and adjust the pressure
mechanism.
Check/correct the setting value of
fuser belt temperature.
Clean or replace the thermopiles.
Check and correct the circuit.
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
8