Toshiba e-STUDIO350 Service Handbook page 565

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