Question about Samsung CLP-510 Laser Printer

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CLP 510 very light print


I have been using the ClP 510 for a few months for very light home use. All at once it started printing very very light, almost unreadable... I thought it was a toner issue so i replaced them all. It still does it...

Since it is installed on a mac there are no software options to check or settings to change.

Any ideas of what else could need changing/cleaning..


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  • AlexProbs Jan 22, 2008

    Still nothing,

    Tried changing all the cartridges and also changing the imaging unit (transfer belt)... still nothing. The component you mention is still there and looks good..

    any other ideas? I tried resetting to see if its software related but no luck...



  • ivanko06 Feb 21, 2008

    Hello, i have same problem. Please help



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I had same problem of light printing and I solved it by cleaning High Voltage Power Supply(HVPS) circuit board. My background is electrical,so I tried and got success. Please note that this board has high voltages and Precaution is required to handle these HVPS. Goodluck.

Posted on Feb 25, 2009

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Hello guys i post earlier, that i have the same problem. My father have exact printer, so i flip Toners, Belt, Imaging. Same shit, prints too light on my printer with his parts, and prints ok on his printer with my parts. So i called Samsung they said that probably its worming up, and printer out of warranty SHIT.

Just to determine the problem could you tell did you use color glossy laser paper? Becaue i did and they told me that this printer is not designed to pring on color glossy paper but there were no worning about this.

Posted on Feb 22, 2008

  • ivanko06 Feb 28, 2008

    Hey everyone, they just came to my house and fix this problem, the problem is High Voltage Power Supply. Call samsung order this part its about $60 unsrew the printer change it and you ready to go.



In the end I changed everything possible and it still printed exactly the same. I rang Samsung and as it is out of warranty, they said it would be cheaper to buy a new one.

On top of it as the model is no longer available I know have new toner and rollers for a machine that I will likely have to throw away!

What a mess!!!

Posted on Feb 21, 2008

Hello im sorry but did you have change to fix this problem because i have exactly the same one, thank you

Posted on Feb 21, 2008

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Did anyone do anything to the printer immediately before the problem started ??

The description of the printout is typical of what you get whenthe transfer roller (black foam roler with purple plastic lugs on the ends) is either not in the printer, or not fitted properly.

Open the duplex door (opposite end to the toner access door, and you should see this component. If it's missing (or damaged) they are available on EBAY.

There are other possible causes such as

dirty (toner contaminated) contacts on
Toner cartridges
ITB (Transfer Belt)
Imaging Unit (OPC Drum)

This can also be a faulty Drum, faulty ITB, or a fault on the HVPS board

Posted on Jan 17, 2008

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