Samsung ML-1665 Service Manual - Page 78

Background, Description, Light dark background appears in whole area of the printing.

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Page 78 highlights

Alignment and Troubleshooting 7) Background Description : Light dark background appears in whole area of the printing. 1. Does character exist less than 2% per a page, and has not it been used long time? 2. Does recycle paper be used? The toner cartridge is basically designed to print 1,500 sheets with 5% image. The A/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. Service Manual 4-30 Samsung Electronics

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Alignment and Troubleshooting
Service Manual
4-30
Samsung Electronics
7) Background
Description :
Light dark background appears in whole area of the printing.
3. Has the life span of the
developer 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 has not it been
used long time?
The toner cartridge is basically
designed to print 1,500 sheets
with 5% image.
Replace the developer 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 developer.
Clean the bushing part of the
transfer roller.