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When you print anything, especially pictures, there are black smudges on the paper. They look like roller marks. I performed all the regular maintenance but it continues. If you touch these lines, they smudge.

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You may have a bad fuser. The fuser is the part of the printer that burn/melt the toner/ink onto the pager. Check the fuser roller and make sure it lock down and clean.

Posted on Jan 02, 2011


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1 Answer

5x7 inch paper moves towards end of print and black ink smudges edge of paper

Check for any small paper jam. Check the rollers, also use an alcohol swab to clean the rollers and check for ink leaking. Check you ink pad, it could be time for a new one.

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Align paper

This can be the result of a piece of paper (or similar) jammed in the printer - can be very small - and usually pulls the paper to one side. Another reason may be something on the roller (have you printed labels - especially part sheets?). Do you get regular marks on the printed paper?

Oct 07, 2013 | Canon MG5250 Printer

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Have a black line printing on the bottom of the page. It appears on regular paper and when we put in paper with a footer, it smudges it.

your fuser unit needs an upper fuser roller or just replaced... there is one thing you can do to see if that is what you need... look inside fuser (its the hot part) do you see a black roller? it sould have no silver or lines on it. That roller is coated with tephlon (i dont know how to spell it) if the coating is gone toner will stick to it and cause that problem

Jul 25, 2011 | Konica Minolta Bizhub c203 Copier

1 Answer

Our printer makes dirty copies. It looks smudgy and it happens on various papers. The clean cartridge process does not improve the situation.

If the smudges are repeated at regular intervals down the page, it will be one of the rollers. A common cause is if you get a paper jam half way through the fuser (the hot roller at the back) and pull it through to clear the jam it can leave excess toner on the roller. This then melts and causes smudges on all the pages that come out later. You can clean the marks off the fuser roller, but unless you know exactly what you are doing you should be very careful. the fuser roller is VERY hot when it is in operation so you can burn yourself if you are not careful. Unfortunately the toner marks come off a lot easier when it is hot, when it cools it hardens and sticks to the roller more. You should also take care not to use anything sharp or abrasive on the fuser roller, if you damage the non-stick coating it will make matters worse. A soft lint-free wipe is recommended, or a piece of something like kitchen roll if you cant get soft cloths.
You can buy replacement fusers for HP Laserjets which should be a relatively easy replacement. but they are usually not that cheap.
First thing to try is take out the cartridge, clean the inside surfaces with a DRY, clean soft cloth. There will be a soft sponge-type roller which you can wipe but be careful not to contaminate it as it will affect print quality. Also lift the flap on the cartridge briefly to check the shiny roller underneath for any marks. this is the drum which is sensitive to light so don't leave it exposed for too long.

Apr 28, 2010 | HP LaserJet 4250n Printer

1 Answer

Bizhub C350 Black smudges on prints

Sounds like you may have a bad fusing roller. Run some blank sheets. If the smudges start to fade, that's your trouble. When the fusing roller is bad it doesn't clean as well, so when you run bold text or anything that has higher than normal toner coverage, there will be more build up on the fusing roller that then transfers to the paper.

Sep 30, 2009 | Konica Minolta bizhub 350 All-In-One Laser...

1 Answer

HP LaserJet 1100A unwanted toner marks on face of print

check this link,
either fuser or print drum. to verify , start print job, open door before finnished and see if marks appear before or after fuser. Before paper gets to fuser toner ink will smudge.

Feb 15, 2009 | HP LaserJet 1100a Printer

1 Answer

Poor quality smudge and ink blotting marks in the centre of any printed document

Try performing a test by printing a test page from Tray 1 and open the top cover as soon as the paper is 60% inside. The paper would jam below the toner cartridge before it reaches the fuser. Remove the toner cartridge carefully and verify if the smudges occur. This would eliminate the fuser. If the print quality is fine, then you need to swap the fuser.

Oct 30, 2008 | HP LaserJet 4250n Printer

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Royal Cash Register

Hi. There are several reasons for this.
The most common one is not replacing the ink roller on time. If the old roller had felt falling off of it, then it will block up the drum.
The second is re-inking the roller. If you do this, you end up with a sticky mess and a lot of smudging.
Other than that, pieces of paper stuck in the paper path are common.
You should inspect the drum again. This is the little group of rubber numbers that spin around and hit the paper while printing. You will usually find sticky muck on the numbers, and you may have to clean them several times. You need to turn the drum as you clean it. Try to use the gears at the side if they are visible. A dry Q-tip is best, as alcohol may damage the thin rubber. Try cleaning the drum again, and look for any improvement. If itgets better on some numbers, then you are probably on the right track. Also, if you could send me a picture of the bad print, that may help also.

Good luck.


Aug 09, 2008 | Casio Parts Cash Register PC Desktop

2 Answers

Black smudges on copies

Hi, try to pull out complete process unit(cartridge) with toner box .You have cleaner(blue or green color) move this cleaner from right to left side 4 or 5 times.Note that cleaner MUST be in home position-right side when you finish.Check print.
If problem still persists, you must do following:take away small grey plastic cap on left side of cartridge,then push complete charge corona(part with cleaner on top of it) to left side just enough to lift right side of corona from cartridge.Pull out that corona and you can see drum and developer roller. Turn the gear on drum,and look for smudges on black developer roller.Try to clean smudges with brush or with dry cloth.Toner will again attract to that area,but regular.

Dec 11, 2007 | Kyocera Mita KM-1815 All-In-One Laser...

2 Answers

Xerox Phaser 6250

How Brave is Jan?

Doubt it be the fuser(100 000life), "just magenta dots".... fuser would be "all smudged" or "black marks" , "the print rubs off" , "paper is creasing or jamming"

Can prove it by stopping a print (open door) when paper is1/2 way threw machine, you need to stop it before it goes threw the hot bit, so you can tell if the hot bit (fuser) puts the marks on the paper.

Transfer roller one would expect to effect whole print Smudged/Faint,uneven density

It will be the imaging unit ( 30 000 pagelife Ouch$ ) or possible leaking toner (if aftermarket)

Remove imaging unit and inspect film you should find image of lines, dots are usually chips or sticky stuff on drum surface, carefull no oily human fingers on surface please.

When stopping machine mid print and perfecting your timing, pull out the imaging unit and look at replica of your print notice if marked and where.

Hope this helps

Nov 19, 2007 | Xerox Phaser 6250 Laser Printer

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