e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
5 - 148
21)Uneven light distribution
Fig.5-21
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, mir-
rors, lens, and original glass (espe-
cially the position of shading
correction plate) dirty?
Clean them.
Exposure lamp 6 Is the exposure lamp discolored or
degraded?
Replace the exposure lamp.
Feeding direction
To Next Page
Loading...
