Uneven Light Distribution - Toshiba e-STUDIO2330C Service Manual

26.5.24 Uneven light distribution

Cause/Section Step
Original glass 1
Main charger 2
Discharge lamp 3
Scanner 4
Exposure lamp 5
6
Process unit 7
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
Fig. 26-23
Check items
Is the original glass dirty?
Are the needle electrode, 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?
Is the laser beam interrupted by a foreign
material adhering to the doctor blade area
of the developer unit or the charger case
of the main charger?
26 - 150
Measures
Clean the glass.
Clean or replace them.
Clean it.
Clean them.
Adjust the installed position of the lamp.
Replace it.
Remove the foreign material.
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