Question about Samsung CLP-510 Laser Printer

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Pink stream of dots running half way across page left to right

Hi hope you can help me i have changed the transfer belt and the drum but i still keep getting the stream of pnk dots running across the first halh of the page.
Does not look too bad on a picture but look very bad on a letter.

Hope someone can help, hear from you soon

Gary

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The pink spot you have seen is a residual magenta toner drops from the developing assy, either ther is too much toner accumulated in the drum unit, or within the viccinity.

removed the magenta u nit, and clean all toner, removed the drum if you can and vacuum the cleaning unit that scrape off toner from the drum, chances are this area is full of toner that has stucked, carefully install the drum unit and test

so as far as your transfer unit, very rare cases that this would contribute to that prob, but ensure that you put all connectors tightly and if there is any electrical connectivity that you recently seen, secure this parts correctly..

hope this helps and remember to mark this pls

Posted on Aug 16, 2008

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registration is slightly off. I'd try re-setting the drums (take out and put in again). If you have another cyan drum, would also try that. Transfer belt would be next

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Hi,
Dots, Lines and smudges on the printouts are due to deteriorating cartridges and cleaning the green drum of the cartridge may help temporarily. Take out the cartridge and gently clean the roller/ green drum with a dry, soft, lint-free cloth wiping off the toner dots marks/ lines. (corresponding to the location where you are having a green line on the paper)
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Hi Everytning I print has a very narrow pink line straight down the centre of the page, also every so often the print has a black/yellow/blue/pink thick line running across the page. Thanks


The narrow pink line is coming from your magenta toner/drum cartridge. You may be able to open the from cover and look at the 4 toners. If you look at the magenta (like pink) cartridge, you might see the thin line on the drum surface.
The multicolored band that sometimes shows up on your prints is most likely the transfer belt unit. This is caused by an area of the belt that is not being cleaned very well. This probably tends to show up when you are running mutilple prints of a page.
So it looks like to may need to replace your magenta toner and look at getting a transfer belt unit.

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I would replace the transfer belt see if that makes a diffrence hope this helps

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Some possibilities are:

1) Dirt on the glass, dirt on the glass strip for the doc feeder, or dust on the mirrors. This would be the case if the line only showed when copying and not printing.

2) Toner dropped onto the charge sawtooth.
This may be possible if the line is intermittent and only showed up for 1 or 2 colors.
Open the front door and remove the waste toner box. To the left of each drum there is a green organ-stop type stem. Pull and reinsert each stem. You will hear a zipping noise. These are your charge scrubbers.
This may be not as likely if the line shows up in the same place on all 4 colors

3) Toner or dust on the lens
This may be possible if the line is intermittent and only showed up for 1 or 2 colors.
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This may be not as likely if the line shows up in the same place on all 4 colors

4) Transfer belt blade not cleaning
This is best handled by a service tech since the mylar belt is very fragile. The squeegee blade that cleans the transfer belt between copies is missing a spot. The blade needs to be taken off the belt, cleaned and repowdered. Recently, Sharp made changes to the composition and thickness of the mylar in the transfer belts. Overpowdering the blade or belt when it was changed may cause improper cleaning of the belt creating lines across the copies. Often the condition clears up after a couple of days as the gap between the blade and belt is sealed.
This is most likely the cause as the line shows up in the same area for more than 1 color.

5) Transfer belt and/or blade is worn out
If the belt is worn the blade must be replaced but not vice versa.

6) Clogged waste augers in the drum cartridges.
Waste toner may cake up in the drum cartridge and knock loose on the drum.

It may be time for full maintenance on the machine.

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I was doing work for a large corp. that sent a guy from Ohio to Colorado twice for this problem before he asked my opinion I told him tranfer belt. He was a Hero.
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