Question about Brother MFC 8500 All-In-One Laser Printer

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Prints from PC just fine but produces poor copies

My Brother MFC 8500 prints from PC just fine but produces poor copies in the "copy" mode. Drum unit replacement did not help. The unit is 7 years old, but works well in all other manner except copying. Does it need repair or replacing?

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Brother MFC 8500 print issue

Try to clean your print head. I have HP all in one laser and doing that helped once when that happened to me.

Posted on Oct 06, 2007

  • 1 Answer

SOURCE: Poor printing quality after replacing drum

your drum needs to be cleaned or replaced

Posted on Oct 06, 2008

  • 34 Answers

SOURCE: I have a BROTHER MFC- 8860DN that makes black streaks on copies

If this is only happening with copies and not straight prints, it is possible that the problem is with the scanning unit. Use the soft cloth to clean the scanner area to the left side of the machine where pages are scanned when run through the page feeder. A spec of dust or other debris in this area will appear as a streak along the length of the page.

If it occurs on all prints, You may need to replace the drum or clean the fuser unit.

Posted on May 29, 2009

the kowalski
  • 86 Answers

SOURCE: Black lines in copies and fax's Brother MFC 7420

If the black lines comes when using the ADF (top feeder), try to see if you get the same problem when using the scanner glass or receiving faxes. If you don't, you simply have to clean the glass strip to the left of the a4 sized scanner glass. Wipe it with a dry cloth piece, no paper and no water/alcohol. If you see some dirt there that you're unable to simply wipe off, try to use a cotton wool to "rub" it off.

Posted on Jun 14, 2009

  • 159 Answers

SOURCE: Brother MFC-7420 just started printing a shadow image

Sounds like a bad drum cartridge. Pull the toner/drum cartridge out of the machine and set it down. Press down on a (blue?) tab to release the toner cartridge, and you can lift the toner cartridge out of the drum cartridge. There is a cleaning blade in there - a soft plastic blade that rides against the drum and scrapes off toner that didn't get transferred to the paper. If it gets stuck off the drum surface, images repeat a few inches (one drum circumference) down the page.

A new DR-350 drum unit should fix it. have the machine's power on when replacing it. While the door is open, touch the CLEAR key. The display will read "REPLACE DRUM?" or something like that. Press 1 for Yes.

Posted on Jan 07, 2010

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Brother MFC-7420 just started printing a shadow image


Sounds like a bad drum cartridge. Pull the toner/drum cartridge out of the machine and set it down. Press down on a (blue?) tab to release the toner cartridge, and you can lift the toner cartridge out of the drum cartridge. There is a cleaning blade in there - a soft plastic blade that rides against the drum and scrapes off toner that didn't get transferred to the paper. If it gets stuck off the drum surface, images repeat a few inches (one drum circumference) down the page.

A new DR-350 drum unit should fix it. have the machine's power on when replacing it. While the door is open, touch the CLEAR key. The display will read "REPLACE DRUM?" or something like that. Press 1 for Yes.

Jan 05, 2010 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother MFC-6800 - Mysterious Vertical Lines


This unit has a brom tube unit and need to be replacement . By repair tec.

Oct 05, 2009 | Brother Multi-Function Center MFC-240C...

1 Answer

Brother mfc 8500 is there away you can print out the counter information . like how many copies or prints have been done on it.


Try this:

Power off. Hold down the "Menu" button while you power back on.

Machine should say "maintenance"

Press "7", "7"

Slight pause and then machine will print out a report containing lots of counter information.

Press "9", "9" to exit (or switch off/on.


Jun 19, 2009 | Brother MFC 8500 All-In-One Laser Printer

1 Answer

Poor print quality from Brother MFC-8860DN


Replace the drum. The drum is failing.
When you replace the drum open the front door of the machine where thr drum and toner is.
Hit the clear/back button. Press 1
That resets the drum count after you replaced the unit.

Nov 12, 2008 | Brother MFC-8860DN Printer

3 Answers

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.

Sep 11, 2008 | Brother MFC 7420 All-In-One Laser Printer

2 Answers

Poor printing quality after replacing drum


Have you checked to see if your setting for color is set to grayscale?

May 07, 2008 | Brother MFC 8820D All-In-One Laser Printer

4 Answers

Brother MFC-440CN won't print color


Did you use generic carts?

Do use only original brother ink carts!
Only these have special cleaning fluids mingled with the ink.

There are several advantages, too:


You can run a special cleaning mode (DO insert original carts at first!!!)

Press menue then start bk copy then fourtimes arrow-up.
machine should switch to maintenance mode (buttons will flash).
press 7 then 6 then 4 then start bk copy. machine will refresh ink within the tubes and the print head and run a special cleaning routine. when finished press 7 then 6 then 3 then start bk copy to run a power cleaning. leave the maintenance mode by pressing 9 then 9.

The machine should print without proböems. If there is a poor quality left, the printhead is affected by bad ink and cant be fixed anymore.

Jan 24, 2008 | Brother MultiFunction Center MFC-440CN...

1 Answer

Print problem


Stop print before fuser to see if error occurs with print or fusering system?

Make sure you have cleaned carona on drum and returned slider to home position

Check if print ok or if it is just copys?... if just copy clean scanner glass slit

You are using OEM drum and toner arn't you?

There is one last alternative but I won't bother to descibe till I get some more info from you

Dec 29, 2007 | Brother MFC-8840DN (Bundle) All-In-One...

1 Answer

Brother MFC-8500 prints solid gray pages


I have seen the Toner cartridge in these cause this and also thought it was drum but new toner actually fixes it, have you installed new gen toner as well as drum? Make sure you tell machine you have fitted new drum too,

Sep 08, 2007 | Brother MFC 8500 All-In-One Laser Printer

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