Samsung CLP-310, Service Manual

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Alignment & Troubleshooting
Service Manual
4-58
Samsung Electronics
5) Background
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
3,000 sheets with 5% image.
If it prints more than 3,000 sheets (around
5,000 sheets) with 2% image, a background
can be occurred.
2. Does recycle paper be used?
The B/S is not guaranteed if using recycle paper .
3. Has the life span of the
developer ended?
Replace the developer when the life span of it
has been ended.
4. Is the movement
(Up and Down) of the transfer
roller smooth?
Clean the bushing part of the transfer roller.
5. Is the HVPS normal?
If the problem is still not solved, replace the
developer.
Description
Light dark background appears in whole area of the printing.