Question about HP LaserJet 6L Printer

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Dark smudge at top of some pages

On about one in ten or so pages a black smudge of a rectangle (about 1"x 1/2") appears top centre of a page. What to do please? many thanks Ilduco

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Either something is lodge in between your printer's roller(which would require service tech to repair)or most likely the drum on your printer is damaged. Just replace the toner cartridge and that should fix it.

Posted on May 07, 2007

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Posted on Jan 02, 2017

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How do I fix my Samsung Multi-function laser printer which has started to print smudged pages.


try to stop the sheet just before it enters the fuser and see if the marks are on the paper already. if not then it has to be the fuser if they are them you have another issue.

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Zenith SL2773W problem


The dark rectangle appears because you have the closed captions on and set to TEXT. Closed captions set to CC1 puts the words on the screen and TEXT puts a black box on the screen. Go into the menu, navigate to the page with closed captions and set your captions to OFF.

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HP4-smudged copies of printed text are appearing lower on the page...Any ideas on the fix


Run a 1/2 test.
Put paper in the manual feed tray(tray 1).
print something. And watch the paper. As the paper gets
about 1/2 way into the printer, open the top cover, remove the toner.
Look down at the paper. If you don't see smudged text, the fuser is probably bad.
If you see the smudging, replace the toner.

Dec 02, 2010 | HP : HP4 Laserjet Printer

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My dcp165c printer print quality prints black & yellow colour. i clean print head through maintance 76 but problem cannot be solved


How is the printer printing black and yellow color? Is it a smudge?

When I print, the pages are smudged with ink. What should I do?
Description:
- If smudged stains appear at the top center of the printed page:
  • Make sure the paper is not too thick or curled.
    Also, verify that the appropriate paper is being used and that the paper type set in the machine matches the media used.
  • Make sure the paper is not curled when you print on the back side of the paper with the Print Odd Pages and Print Even Pages settings.

- If smudged stains appear at the right or left corner of the printed page:
  • Make sure the paper is not curled when you print on the back side of the paper with the Print Odd Pages and Print Even Pages settings.

- If smudged stains appear on the reverse side or at the bottom of the page:
NOTE: Illustrations shown below are from the representative product and may differ from your Brother machine.
  • Make sure the printer platen is not dirty with ink.

    How to clean the machine's printer platen

    1. Unplug the machine from the AC power outlet.
    2. Lift the scanner cover until it locks securely in the open position.
    3. Clean the machine's printer platen(1) and the area around it, wiping off any scattered ink with a soft, dry, lint-free cloth.

      platen1.gif
    4. Close the scanner cover.

  • Make sure you are using Genuine Brother Innobella™ Ink.
    > Brother Genuine Supplies information


  • Make sure you are using the paper support flap.

    To use the paper support flap, pull out the paper support (1) until it clicks and unfold the paper support flap(2).

    flap1.gif

Aug 03, 2010 | Brother Computers & Internet

1 Answer

Printer is putting a 1/2 dark black line on the back of the pages


dear friend

looks like problem related with refilled cartridges

are you using refilled cartridges??

if yes then you have to check whether they are leaking or not,

if they are leaking, you have to maintain cleaning level

thats all you can do

thanks

Apr 10, 2009 | Canon PIXMA MP830 All-In-One InkJet...

1 Answer

Brother MFC 7820N Smudging Concern


If smudged stains appear at the top center of the printed page:
  • Make sure the paper is not too thick or curled.
    Also, verify that the appropriate paper is being used and that the paper type set in the machine matches the media used.
  • Make sure the paper is not curled when you print on the back side of the paper with the Print Odd Pages and Print Even Pagessettings.

- If smudged stains appear at the right or left corner of the printed page:
  • Make sure the paper is not curled when you print on the back side of the paper with the Print Odd Pages and Print Even Pagessettings.

- If smudged stains appear on the reverse side or at the bottom of the page:
NOTE: Illustrations shown below are from the representative product and may differ from your Brother machine.
  • Make sure the printer platen is not dirty with ink.

    How to clean the machine's printer platen
    1. Unplug the machine from the AC power outlet.
    2. Lift the scanner cover until it locks securely in the open position.
    3. Clean the machine's printer platen(1) and the area around it, wiping off any scattered ink with a soft, dry, lint-free cloth.
    4. Close the scanner cover.
  • Make sure you are using Genuine Brother Innobellaâ„¢ Ink.
    > Brother Genuine Supplies information
  • Make sure you are using the paper support flap.

    To use the paper support flap, pull out the paper support (1) until it clicks and unfold the paper support flap(2).

platen1-y4i03b33115mpu3ejihwhjwc-5-0.gif

flap1-y4i03b33115mpu3ejihwhjwc-5-2.gif

Sep 11, 2017 | Brother MFC-7820N All-In-One Laser Printer

1 Answer

4 - black ink smudges (1/32" wide x 1/16" high) in right margin


Very nice trouble shooting. The image defect you describe point to the OPC or drum unit this is essentially the toner cart. In your case black. Measureing the distance between repetitive defects is a sure way of diagnosing problems such as yours. Again nice work.

Google repetitive defect ruler for your model to help in the future.

Hope this helps

Apr 07, 2009 | HP Color LaserJet 2600n 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

1 Answer

Black ink smudges for color print mode only, not for grayscale


- Try to reallign the cartridge, run a print test, after that if the issue still persist - uninstall and reinstall software - run test and re-allign again the cardtridge using software. run print test again.

Oct 08, 2008 | Samsung CLP 300 Laser Printer

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