● Code : D-2
● Symptom :
-. Vertical Irregular Image Density for a Particular Color
-. Vertical Irregular Image Density for All Colors
● Possible Cause:
1. LSU window is contaminated.
2. There is a contaminant in the Dr. Gap.
3. T1 Roller is not installed properly.
4. T2 transfer is defective.
● Troubleshooting method :
[step1]
LSU window is contaminated
If the sharp vertical white band has occurred, it is likely due to LSU optical path contamination.
(1) Check if there is any contaminant on exposure window of the imaging unit.
(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.
Troubleshooting
● Vertical Irregular Image Density 1/3
C
K
4-180