Toshiba e-STUDIO2330C Service Manual page 1098

Cause/Section Step
Developer unit 11
Developer 12
material/Toner/
Drum
13
14
Drum cleaning 15
blade
Transfer belt 16
cleaning blade
Toner dusting 17
* If the trouble is not solved at the step 1 and the step 2 or followings (excluding the parameter
adjustment) are performed, make sure to perform "Enforced performing of image quality closed-loop
control" and then "Automatic gamma adjustment" after taking a measure.
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
Check items
Is the contact between the drum
and developer material proper?
Using the specified developer
material, toner and drum?
Have the developer material and
drum reached their PM life?
Is the storage environment of the
toner cartridge 35oC or less without
dew?
Is the drum cleaned properly?
Is the transfer belt cleaning blade in
proper contact with the transfer
belt?
Is the toner accumulated on the
seals of the developer unit?
26 - 128
Measures
Check the doctor-to-sleeve gap
and pole position.
Use the specified developer
material, toner and drum.
Replace the developer material and
drum.
Use the toner cartridge stored in
the environment within
specification.
Check the drum cleaning blade
pressure.
Take off the transfer belt and check
if the transfer belt cleaning blade
pressure spring and pressure hook
are installed properly.
Remove the toner and clean the
seals.
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Remarks