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ERROR CODE AND TROUBLESHOOTING
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8.4.21 Uneven light distribution
Fig.8-24
Defective area Step Check items Prescription
Original glass 1 Is the original glass dirty? Clean the original glass.
Main charger 2 Are the needle electrode, main
charger grid and main charger case
dirty?
Clean or replace them.
Discharge LED 3 Is the discharge LED dirty? Clean the discharge LED.
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 exposure
lamp.
7 Is the exposure lamp discolored or
degraded?
Replace the exposure lamp.
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