Image Jittering - Toshiba e-STUDIO 2555C Service Manual

8.5.24

Image jittering

Cause/Section Step
- 1
Registration 2
roller
Transfer unit 3
Fuser unit 4
Drum 5
Scanner 6
7
8
9
10
Drum drive 11
system
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
Fig.8-29
Check item
Is the toner image on the drum
proper?
Is the registration roller rotating
normally?
Is the transfer belt or 2nd transfer
roller operating normally?
Are the fuser belt and pressure roller
rotation proper?
Is the fuser belt transportation
proper?
Is there large scratch on the drum?
Is the slide sheet defective?
Are there any abnormalities on the
carriage feet?
Is the tension of timing belt
inappropriate?
Is the carriage drive system
malfunctioning?
Are any mirrors loosely installed?
Is the drum drive system
malfunctioning?
8 - 316
Measures
If proper, perform step 1 to 3;
otherwise perform step 4 and after.
Check the registration roller section
and its springs.
Check the drive system and replace
the transfer belt or 2nd transfer roller
if necessary.
Check the drive system.
Replace the fuser belt and pressure
roller if necessary.
Replace the drum.
Replace it.
Replace the feet.
Correct the tension.
Check the carriage drive system.
Install them properly.
Check the drum drive system.
Clean or replace the belts, pulleys,
bushings if they have dirt or
scratches.
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