Dell 1135N Service Manual page 109

8) Background
Description : Light dark background appears in whole area of the printing.
exist less than 2% per a page, or has
2. Is a recycled toner cartridge be used?
3. Has the life span of the toner
4. Is the movement(Up and Down)
of the transfer roller smooth?
Service Manual
Alignment and Troubleshooting
1. Does character
machine been left used
for a long time?
cartridge ended?
5. Is the HVPS normal?
4-36
The toner cartridge is basically
designed to print 7K sheets with
5% image. If it prints more than
8K sheets with 2% coverage, a
background can occur.
The A/S is not guaranteed if using
a recyled the toner cartridger.
Replace the toner cartridge when
the life span of it has been ended.
Clean the bushing part of the
transfer roller.
1. If the problem is still not solved,
replace the toner cartridge.
2. Gently shake the toner
cartridge.