4. Alignment and Troubleshooting
Service Manual
ML-331x/371x series
4-48
Samsung Electronics
8) Background
Description : Light dark background appears in whole area of the printing.
3. Has the life span of the
Toner cartridge ended?
4. Is the movement(Up and Down)
of the transfer roller smooth?
5. Is the HVPS normal?
2. Does recycle paper be used?
1. Does character exist less than
2% per a page, and hasn’t it been
used long time?
The toner cartridge is basically
designed to print 2,000 sheets
with 5% image.
Replace the toner cartridge when
the life span of it has been ended.
The A/S is not guaranteed if using
recycle paper.
If the problem is still not solved,
replace the toner cartridge.
Clean the bushing part of the
transfer roller.
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