e-STUDIO350/352/353/450/452/453
© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
5 - 124
16) Uneven image density
Defective area
Step
Check items
Prescription
Main charger
1
Is the main charger dirty?
Clean or replace the charger wire/grid.
Transfer charger
2
Is the transfer charger dirty?
Clean it.
3
Is the transfer charger wire dirty?
Clean it.
Laser optical unit
4
Is there any foreign matter or stain
on the slit glass?
Remove the foreign matter or stain.
Discharge LED
5
Is the discharge LED dirty?
Clean it.
6
Is any of the discharge LEDs off?
Remove it.
Developer unit
7
Is the magnetic brush in proper con-
tact with the drum?
Adjust the doctor-sleeve gap.
8
Is the developer sleeve pressuriza-
tion mechanism working?
Check the mechanism.
9
Is the developer material trans-
ported normally?
Remove foreign matters if there is any.
Scanner section
10
Is the platen cover or RADF
opened?
Close the platen cover or RADF.
11
Are the original glass (especially the
position of shading correction plate),
mirror and lens dirty?
Clean them.
Feeding direction