Samsung CLX-9250ND, Руководство по обслуживанию

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7. Troubles
7.3.7 Uneven pitch and jitter image
A. Typical faulty images
Paper feeding
direction
B. Troubleshooting procedure
Step Section Check item
1 Test Printing Print the halftone pattern.
Check if the jitter has occu
2 Imaging unit 1.7mm or 1.2mm or 2.7m
jitter has occurred.
3 Main Drive Unit 0.78mm or 1.1mm periodi
occurred.
4 Main Drive Unit After replacing the E-Clutc
drive unit, 0.78mm or 1.1m
periodic jitter has occurred
5
Laser
Scanning Unit
0.508mm or 0.65mm perio
has occurred.
6
Regi roll Gear
2.5mm periodic jitter has o
7 Imaging unit 94mm periodic jitter has o g g j
8 Main Drive Unit After replacing the imagin
mm periodic jitter or band
occurred.
9 Imaging unit 35mm or 62mm or 43mm
jitter or band has occurred
10 Main Drive Unit After replacing the imagin
mm periodic jitter or band
occurred.
11 Transfer belt
unit 52mm periodic band has o
12 Transfer 2
roller 55~56mm periodic band h
occurred
Service Manual
CLX-9250/9350 series
7-1
roller occurred.
shooting
Result Action
urred.
Yes Follow next steps.
m periodic Yes Replace the imaging unit.
ic jitter has Yes Replace the E-Clutch in
Main Drive unit.
ch in main
mm
Yes Replace the Main Drive
unit.
d.
odic jitter Yes
Replace the Laser
Scanning Unit (LSU).
occurred. Yes
Replace the Regi Roll
Gear in main unit.
occurred. Yes Replace the imaging unit. g g
g unit, 94
has
Yes Replace the Main Drive
unit.
periodic
d.
Yes Replace the imaging unit.
g unit, 35
has
Yes Replace the Main Drive
unit.
occurred. Yes Replace the Transfer Belt
unit.
has Yes Replace the T2 roller.
SAMSUNG ELECTRONICS
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