Question about Brother DCP-7040 Laser Printer

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Backgrounds of printed pages are grey

Printed or copied pages have a grey background. The cartridge was changed and that helped for a while, then the poor copies returned.

Posted by Anonymous on

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5 Related Answers

Soulvisitor

Soulvisitor

  • 1113 Answers

SOURCE: black smudge streaks on rightside of printed/copied material

Can only be two things the drum or the fuser. More than likely drum they last about 4 toners i think.

Learn the art of getting a page to stop halfway threw printing, you want to stop the page after the drum has put a image on the paper but before paper has gone threw the fuser (hotbit).

Once you have mastered the position correctly by stopping the printing by opening the door and removing drum/toner cartridge, to reveal the paper that is printed but can be rubbed off, we will know if marks are coming from the drum (you will see them) or from the fuser, if print is fine.

Posted on Jan 11, 2008

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Anonymous

  • 89 Answers

SOURCE: grey background and dark streaks

Change out the toner first and then the drum. Also be sure there is not excess toner underneath where the toner is installed. If so clean that out with a dry cloth.

Posted on May 29, 2008

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Edwin Martens

  • 1110 Answers

SOURCE: Black lines down on printed page

This is caused by dirt/debrise on the ADF (automatic document feeder) scanner glass. You need to open up the feeder where your originals are fed in and look for a strip of glass that runs from front to back. It is about an inch or so wide. You need to clean this glass to get rid of the lines. Some models have this glass just to the left of the large main glass, but in your case I beleive it is in the feeder itself.
Good Luck.

Posted on Apr 23, 2010

Anonymous

  • 137 Answers

SOURCE: My copies have dirty gray

remove drum assy. and remove toner unit off drum then blow out the drum only. This should clear problem.

Posted on Aug 13, 2010

Anonymous

  • 2 Answers

SOURCE: four dots middle of page

How do I clean white or black spots on printed documents? Description: First make 10 to 15 copies of a blank, white sheet of paper.
If you still see the spots on printed documents after making multiple copies, clean the drum unit as follows:

  1. Remove the drum unit and toner cartridge assembly, and then remove the toner cartridge from the drum unit.
  2. Position the print sample in front of the drum unit so you will know the exact position on the drum that is causing the poor print.
  3. all-ug-19.gif
  4. Turn the black gear on the drum as you check the surface of the OPC drum.
    The OPC drum is photosensitive so do not touch it with your fingers.
  5. all-ug-20.gif
  6. When you find the substance on the drum surface that matches the print sample, gently dab the surface of the OPC drum with a cotton swab that is lightly dampened with isopropyl alcohol.
  7. Note
      • Do not use a scrubbing or wiping motion because this might damage the drum.
        all-ug-21.gif
      • Do not try to clean the surface of the OPC drum with a sharp object, such as a ball-point pen, because this might cause permanent damage to the drum unit.
  8. If the print quality still has not improved you need to install a new drum.

Posted on Feb 02, 2011

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1 Answer

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Hi,

if you have a laser printer you may need to clean the printer or install a new drum cartridge, if it is ink-jet you will have to clean the bottom of the ink cradle it sound like you getting grey background from a toner/drum cartridge.

good Luck

Let em know if this helps.

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