Question about Brother MFC 9600 All-In-One Laser Printer

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Improve print quality

I have brother MFC9600 all in one printer. I'm having problem with poor quality printing, i have changed drum and cartridge. it needs to be cleaned from inside how would I do that. the round orange piece is very dirty don't know how to reach to that place. Please advise me thanks for your time. Sami

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Re: improve print quality

If you have changed drum AND toner, and reset drum count, cleaned scan slit glass on lit then only other thing to clean that can cause dirty prints is laser glass, (remove drum, inside where drum goes there is a slit the rund width of printer on inside middle "ceiling"

The orange piece I take it is the lower heat roller at rear, cleaning this is not going to fix anything.. this area called the fuser sometimes the fuser wears the coating off the upper heat roller (above orange one) and leaves like a smudge mark on prints, like I say cleaning wont fix replacingfuser with new would be what is required

I find a lot of grey shading on prints on this model are from faulty toner cartridges, next is drum then worn fuser roller... Stop a print half way (timing) in machine remove drum and look at print, after drum but pre fuser ,to see if image is ok before entering fuser, then we know if that is your problem

Posted on Nov 06, 2007

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The Brother HL 2040 laser printer has a toner cartridge that supplies toner to the drum assembly so that the printer can print properly. When the LED on the front of the printer indicates you are low on toner, you will need to replace the toner cartridge to maintain good print quality. Fortunately, the toner cartridge can be replaced without any special tools.

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Grasp the front cover of the printer and pull it toward you to open the toner door. Reach into the printer and grab the combined toner cartridge/drum assembly. Lift up slightly and pull it out of the front of the printer.

Place the cartridge and drum on a paper towel, spare sheet of paper, rag or other surface that can get dirty. Loose toner particles may spill from the cartridge.

Press the blue locking lever on the cartridge/drum unit to unlock the toner cartridge from the drum. Lift the toner cartridge up and away from the drum unit. Dispose of the old toner cartridge in accordance with your local regulations. Seal it in a plastic bag to keep loose toner from spilling.

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Locate the corona wire cleaner tab at the front of the drum unit. Slide it back and forth several times to improve the print quality of the drum. Set the tab back in the home position when finished.

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your laser printer
1) print color quality is now distorted that means print skew (technician called)
2) print tint means the print color not enough density,
3) print mottle means print dirty
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2) print skew could be happened when the drum replace install not very accurate, so install it more carefully.
3) print tint---you may increase print density from the manu, not fix,
4) print tint---the toner caridge near life cycle or using the less compatible toner. so you have change the quality toner or cartridge (if near life cycle) to improve quality photo print
5)print mottle---toner quality ? or cartridge near life cycle also cause print dirty paper,

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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
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      • 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.

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