Samsung ML-3471ND/XAX Service Manual page 99

8) Background
Description: Light dark background appears in whole area of the printing.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
1. Does character exist less than
2% per a page, and hasn't it been
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?
Samsung Electronics
used long time?
cartridge ended?
5. Is the HVPS normal?
Adjustment and Troubleshooting
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.
Service Manual
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