Samsung MultiXpress K7 Series - Uneven Pitch and Jitter Image

4.Troubleshooting
4.7.8.Unevenpitchandjitterimage
A.Typicalfaultyimages
P a p e r fe e d in g
d ire c tio n
B.Troubleshootingprocedure
StepCheckitemAction
1Under3mmperiodicjittersorhorizontalbandshas
occurred.
Removeforeignsubstancesatthedrivegears.
Applygrease.
-Tonercartridgegears.
-OPCunitgears.
-Maindriveunitgears.
Replacetheabnormalunits.
-Tonercartridge.
-Drumunit.
-Maindriveunit.
2Under1mmperiodicjitterorhorizontalbandshas
occurred.
CheckiftheLSUisassembledincorrectly,replacethe
screws.
ReplaceLSU
(Referto3.3.3.)
4-191Copyright©1995-2017SAMSUNG.Allrightsreserved.