A poor quality, grazing on expression of laser printers can have several causes:
- The toner is (almost) empty.
Then there are stripes, you are not black like other: bright stripes. This is the most common cause of quality problems.
Solution: In this case, it often helps, the toner cartridge out of the printer to take and something to shake, distribute the remaining toner evenly over the whole width. - Toner will not reach the imaging drum
When the toner is still quite full, can still be cause for the above described problem the toner cartridge: Also in this case it can happen, that on the roller of the cartridge, p.E.. at the Samsung CLX-3175, the toner is not evenly applied. If you take out the toner cartridge, then you can very easily see that: The "fur" by the toner on the roller must be continuous over the entire length of the roller. A note on this issue (as well as the 1.) is it, If the strips do not all colors (When color laser printer) equally occurs.
Solution: Also in this case, you can try shaking, but it may not work, too. A new toner cartridge helps here. - Light penetrates into the printer.
The imaging drum is sensitive to light. When a door of the printer is not correctly closed, then it can happen, that light penetrates into the printer, to the imaging drum and thus affect the printed image. In this case, all the colors are affected when color laser printer.
Solution: All doors of the printer Open and close again. After 3 up to 4 Printing should be gone the problem. - The imaging drum is damaged.
The imaging drum is very sensitive. After long use or by UV light or touching it may be irretrievably damaged. In this case, all the colors are affected when color laser printer.
Solution: Since only their Exchange helps.