Table of Contents
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● Code : B-5
● Troubleshooting method :
(2) Check if there is any contaminant on exposure path in set.
Y
M
(3) Check if the LSU window is contaminated.
- Clean the LSU window or replace the LSU.
(4) If the problem persists, replace the imaging unit.
[Step 3] Charging defect by the charging roller contamination.
Check if the charging roller and cleaning roller are contaminated. If it is contaminated, replace the imaging
unit.
[step4] OPC, ITB Cleaning Blade defect.
Check if there is a contaminant on OPC surface or ITB surface. Replace the imaging unit or ITB.
Troubleshooting
● Vertical Thick/Dark Band 2/2
C
K
OPC
Charging Roller
Cleaning Roller
4-177
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Table of Contents
Troubleshooting
