Toshiba e-STUDIO166 - Troubleshooting Jittering Image

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TROUBLESHOOTING
5 - 39
5
19)Jittering image
Fig. 5-19
Defective area Step Check items Prescription
— 1 Is the toner image on the drum nor-
mal?
If normal, perform steps 2 to 4. Per-
form step 5 and followings in case
the image is abnormal.
Registration roller 2 Is the registration roller rotating nor-
mally?
Check the registration roller area and
springs for installation condition.
Fuser roller and pressure
roller
3 Are the fuser roller and pressure
roller rotating normally?
Check the fuser roller area.
Replace the rollers if necessary.
Drum 4 Is there a big scratch on the drum? Replace the drum.
Operation of carriage 5 Is there any problem with the car-
riage foot?
Replace the carriage foot.
6 Is the tension of the timing belt nor-
mal?
Adjust the tension.
7 Is there any problem with the drive
system of the carriage?
Check the drive system of the car-
riage.
Scanner 8 Is the CIS unit secured? Secure it.
Drum drive system 9 Is there any problem with the drive
system of the drum?
Check the drive system of the drum.
Clean or replace the gears if they
have stains or scratches.
Feeding direction