Toshiba e-STUDIO556 Service Manual page 812

8.4.20 Poor cleaning
Defective area
Developer material/Toner/
Photoconductive drum
Dram cleaning brush
Fuser unit
Drum cleaning blade
Toner recovery auger
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
Fig. 8-20
Step Check items
1 Using the specified developer
material, toner and photoconductive
drum?
2 Is the cleaning brush damaged or
has it reached its PM life?
3 Are there bubble-like scratches on
the fuser roller (188mm pitch on the
printed image)?
4 Is the pressurization of the press
roller normal?
5 Is the temperature of the fuser roller
normal?
6 Is the pressurization of the cleaning
web normal?
7 Is the cleaning web transported
normally?
8 Using the specified cleaning web?
9 Is the drum cleaning blade in proper
contact with the drum?
10 Has the drum cleaning blade been
turned up?
11 Is the toner recovered normally?
8 - 260
Prescription
Use the specified developer material,
toner and photoconductive drum.
Replace the cleaning brush.
Replace the fuser roller.
Check and adjust the temperature
control circuit.
Check and adjust the pressurization
mechanism.
Check the adjustment value of fuser
roller temperature.
(08-2009, 08-2010, 08-2028, 08-
2049, 08-2050, 08-2051)
Check the installation state of the
cleaning web mechanism.
Replace the motor.
Use the specified cleaning web.
Check the cleaning blade and
replace it if it does not contact with
the cleaning blade properly.
Replace the drum cleaning blade.
Check and replace the drum if
necessary.
Clean the toner recovery auger.
Check the pressure of the cleaning
blade.
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