Toshiba e-STUDIO350 Service Handbook page 563

19)Jittering image
Defective area Step
— 1
Registration roller 2
Fuser roller and 3
pressure roller
Drum 4
Operation of car- 5
riage
6
7
8
Scanner 9
Drum drive system 10
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Check items
Is the toner image on the drum nor-
mal?
Is the registration roller rotating nor-
mally?
Are the fuser roller and pressure
roller rotating normally?
Is there a big scratch on the drum?
Is there any problem with the slide
sheet?
Is there any problem with the car-
riage foot?
Is the tension of the timing belt nor-
mal?
Is there any problem with the drive
system of the carriage?
Is the mirror secured?
Is there any problem with the drive
system of the drum?
5 - 127
Prescription
If normal, perform steps 2 to 4. Perform
step 5 and followings in case the image is
abnormal.
Check the registration roller area and
springs for installation condition.
Check the fuser roller area. Replace the
rollers if necessary.
Replace the drum.
Replace it.
Replace it.
Adjust the tension.
Check the drive system of the carriage.
Secure it.
Check the drive system of the drum. Clean
or replace the gears if they have stains or
scratches.
e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
5