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ERROR CODE and TROUBLESHOOTING
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8.5.23 Image jittering
Fig.8-32
Cause/Section Step Check item Measures
- 1 Is the toner image on the drum
proper?
If proper, perform step 1 to 3;
otherwise perform step 4 and after.
Registration
roller
2 Is the registration roller rotating
normally?
Check the registration roller section
and its springs.
Transfer unit 3 Is the transfer belt or 2nd transfer
roller operating normally?
Check the drive system and replace
the transfer belt or 2nd transfer roller
if necessary.
Fuser unit 4 Are the fuser belt and pressure roller
rotation proper?
Is the fuser belt transportation
proper?
Check the drive system.
Replace the fuser belt, fuser roller
and pressure roller if necessary.
Drum 5 Is there large scratch on the drum? Replace the drum.
Scanner 6 Is the slide sheet defective? Replace it.
7 Are there any abnormalities on the
carriage feet?
Replace the feet.
8 Is the tension of timing belt
inappropriate?
Correct the tension.
9 Is the carriage drive system
malfunctioning?
Check the carriage drive system.
10 Are any mirrors loosely installed? Install them properly.
Drum drive
system
11 Is the drum drive system
malfunctioning?
Check the drum drive system.
Clean or replace the belts, pulleys,
bushings if they have dirt or
scratches.
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