Question about Samsung CLP 300 Laser Printer

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Printer worked fine for a long time, then black became lighter and lighter. Colors are still good, but black sucks. Two new toner cartridges did not help; Toner waste changed; nothing helped. What may be the problem?

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Issue seems to be linked with the printer's scanning unit.

Posted on Jan 04, 2011

  • 1 more comment 
  • Gyanendra Kumar Jan 04, 2011


    Color scanning unit means the imaging unit inside the printer and this has been an issue with these printers.If the printer is in warranty then please contact Samsung otherwise replacing the imaging unit costs nearly to a new printer.


  • yuniversal3 Jan 04, 2011

    Thanks, that was my thought also, just needed a second opinion. Thank again

  • yuniversal3 Jan 08, 2011

    Got an imaging unit from Ink technologies, great price and printer is back up. Can't touch a new laser printer for the cost. Thanks again



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Well if your warranty is expired, I guess you really have had the cartridge quite a while.

There are a couple of things (cartridge related) that could be the cause.

The toner can settle in the cartridge, so try removing the cartridge from the printer, and holding it drum downwards give it a good shake side to side.

If the cartridge was stored in too warm a place, the toner could have formed a solid lump. This situation can be made worse if the cartridge bag was opened (or not sealed properly), and the storage conditions were damp as well.

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If not, the drum could have been affected by light exposure. This would cause lighter density on the page than you would expect, though I would have thought that part of the image on the page would be full density (as part of the drum would have been sheilded by the cartridge body - that part effectively being inside it).

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