November 2003 © TOSHIBA TEC 5 - 133 e-STUDIO3511/4511 TROUBLESHOOTING
(23) Uneven light distribution
Feeding direction
Cause/Section
Original glass
Main charger
Discharge lamp
Scanner
Exposure lamp
Step
1
2
3
4
5
6
Check items
Is the original glass dirty?
Are the main charger wire, grid and case
dirty?
Is the discharge lamp dirty?
Are the reflector, exposure lamp,
mirrors, lens, etc. dirty?
Is the exposure lamp tilted?
Is the lamp discolored or degraded?
Measures
Clean the glass.
Clean or replace them.
Clean it.
Clean them.
Adjust the installed position of the lamp.
Replace it.
Fig. 5-224
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