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e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
5 - 129
5
21) Uneven light distribution
Defective area
Step
Check items
Prescription
Original glass
1
Is the original glass dirty?
Clean it.
Main charger
2
Are the main charger wire, grid and
case dirty?
Clean or replace them.
Discharge LED
3
Is the discharge LED dirty?
Clean it.
4
Is any of the discharge LEDs off?
Replace the discharge LED.
Scanner
5
Are the reflector, exposure lamp,
mirrors, lens, and original glass
(especially the position of shading
correction plate) dirty?
Clean them.
Exposure lamp
6
Is the exposure lamp tilted?
Adjust the position of the lamp.
7
Is the lamp discolored or degraded? Replace it.
Feeding direction