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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
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