
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
Summary of Contents for E-STUDIO520
Page 2: ... 2005 TOSHIBA TEC CORPORATION All rights reserved ...
Page 6: ......
Page 12: ......
Page 200: ...e STUDIO520 600 720 850 ERROR CODE AND SELF DIAGNOSTIC MODE March 2005 TOSHIBA TEC 2 176 ...
Page 288: ...e STUDIO520 600 720 850 ADJUSTMENT March 2005 TOSHIBA TEC 3 88 ...
Page 540: ...e STUDIO520 600 720 850 POWER SUPPLY UNIT March 2005 TOSHIBA TEC 7 6 ...
Page 586: ...e STUDIO520 600 720 850 DATA CLONING with USB STORAGE DEVICE March 2005 TOSHIBA TEC 9 22 ...
Page 588: ...e STUDIO520 600 720 850 WIRE HARNESS CONNECTION DIAGRAMS March 2005 TOSHIBA TEC 10 2 ...
Page 591: ......
Page 592: ......