Question about Brother MFC 7420 All-In-One Laser Printer

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Hi, I was given a Brother MFC 7420 by a neighbor. There is a problem with the paper feed - it always jams at the feeding mechanism inside the rear door. Is this a serious problem such that I toss it out, or is there a worthwhile repair option? Thanks, Bill

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  • Brother Master
  • 4,338 Answers

85% of paper jams are caused by worn rollers . The rubber treads in the rollers wears down, making them smooth, so they won't pick up the paper. Sometimes, they are aged, which also gives them a smoother rounded texture, causing jams. The quick fix is to liven up that roller with a mixture of alcohol and soap. Damp a rag with the solution and wipe the rollers clean with it. That's make them more pliable and the paper jams will cease.


Here is the manual, see chapter 11, page 11-7


http://www.vikingdirect.co.uk/speciallinks/gb/vkg/source/MFC7420_7820N.pdf


Click on this link or copy and paste the complete link into your browser.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe


Posted on Apr 01, 2011

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I have a brother mfc 7420 and every time I print it tells me paper jam, I pull the paper tray out fix the paper push start it tells me paper then I have to pull out the cartridge and pull out the paper...


Sounds like there is something in the paper track that's causing this to jam. Its not always easy to get small particles cleared just by removing the jammed paper.

This may not help everyone that I send it to, but it is worth a try.
I suggest you get a sheet of Card Stock (Heavy paper) and place it in the feed way. Then press
the print button applying a slight amount of pressure on the Card Stock so it will feed through the printer.
The reason for this is in some cases I have been able to clear the paper track of debris that was deposited there over time.
Worth a try, as I have fixed a number of printers this way, saving costly repairs.
Hope this helps. Bud

Sep 20, 2010 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother MFC 7420. New Brother Toner, New Drum, cleaned feed and separator rollers, changed paper, still jamming. Paper stuck around brown fuser roller. What can I do next?


Check whether the fuser rollers are free turning. If the paper is stopped at the ejection roller, the ejection roller needs to be replaced.

Dec 10, 2009 | Brother MFC 7420 All-In-One Laser Printer

2 Answers

Brother mfc-7420, how do I get off manuel paper feed


Thank you for following me up, I managed to discover that the document I was trying to print was set up for manuel paper feed, other documents subsequently went back to normal after printing the offending document. However is there a setting on the actual printer to control this.

Regards John

Oct 09, 2009 | Brother MFC 7420 All-In-One Laser Printer

8 Answers

FEEDING PROBLEMS FROM PAPER TRAY


  1. Remove left cover (where the USB connection is located);
  2. Remove big black gear with a spring on it (you may need to unscrew the PCB that partially covers it);
  3. There is a clutch that sticks to the rubber pad behind this gear. You may put a piece of scotch tape towards to a rubber pad, so the plastic from clutch mechanism would'n stick anymore. http://www.phillycopiers.com/fix/hl-2040-2070-fix.jpg

Oleg Andrukh IT Specialist PhillyCopiers.com 215 364 3774

Apr 19, 2009 | Brother MFC-7820N Laser Printer

1 Answer

MFC-7420 "Change Drum Soon" I have had this message for a while. I purchased a new drum. In the meantime the printer continues to print fine, except we have paper feed problems. Is the drum related to...


the only time i've seen the drum affect paper feeding is if paper jams in the drum unit. i would use your current drum until print quality decreases to an unacceptable level. it will not shut down, and you will not see a "change drum message." if your paper feed problem is centered around the cassette/paper pickup area, you can try cleaning your rollers with water and a soft rag, and also make sure your rear paper stopper in cassette isn't pressing too tightly against the rear of paper stack. best to leave 1/8" gap, otherwise paper will not lift properly to the rollers.

hth,
razors

Apr 14, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother mfc-7420 printer - manual feed instead of automatic


ok, thank you

you probably had a document that was not using 8.5 x 11 paper or the print settings were the printer to use the manual tray.

thanks adi

Apr 02, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

How to clean the paper feed for brother mfc 7820 multiple jams


It's difficult to said just by typing, you better get your printer services person to clean it for you.

Mar 22, 2009 | Brother MFC 7420 All-In-One Laser Printer

3 Answers

Brother MFC 7420 Paper Jam. Paper will feed from tray to Toner/Drum then Jam. Feeds only about 4 inches of the sheet then Jams. I have replaced the toner/drum unit. Any help is appreciated. Thanks.


After changing the drum, toner and running around town for days trying to find a reliable place to get this printer repaired, I realized I was spending a lot more money than what the printer actually costs. the drum was over $100, toner was $80, and the printer is $250. I bought a new one, and I can now use the old one for parts.

Nov 13, 2007 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother MFC - 7420: Paper will not feed!


Does it make the same sound if you feed the single sheet through the bypass with the paper drawer removed? I hate to say it, but your printer's paper feed mechanism may need replaced. Go to http://www.brother-usa.com/AskUs/default.aspx and ask Brother to diagnose this one; I think they'll confer with me and should be able to point you to a nearby Brother-authorized repair center. Let me know what happens!

May 07, 2007 | Brother MFC 7420 All-In-One Laser Printer

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