Question about Brother MFC 420CN All-In-One InkJet Printer

2 Answers

Black ink won't print, other colors work alright

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  • jaemom Oct 10, 2008

    Just changed black and color cartridges on hp deskjet D4160 - won't print black. color fine. took out black few times and reinstalled. still won't print.

  • nscoleman Nov 09, 2008

    Tried 2 different new cartridges and only color prints on test page.

  • Anonymous Nov 17, 2008

    I have the same problem. I have almost gone through a new ink cartridges by cleaning the print heads but nothing has worked. I have even tried doing the calibration and changed out the cables thinking that maybe it was a bad cable but nothing works. If anyone has solved this, please let me know.

  • Anonymous Nov 27, 2008

    I too have the same problem but check this out...when I put a new ink cartridge in the black doesn't print BUT when I put my old ink cartridge in it works just fine.I tried the new one 3 times then decided to try the old one. Is it possible that the cartridge is bad and not the printer??

  • solddeals Apr 15, 2009

    the same problem & its driving me crazy

  • roberta perez Apr 15, 2009

    had the same problem and followed what the 1st person said about take the new ink cart. out and put in the old one and yes it worked, i took back the new cart and they replaced it with another and it worked too.

    thanks for the tip. your awesome


  • roberta perez Apr 15, 2009

    had the same problem with the black not printing, did what the 1st guy said to do, put back the old cart, and it worked.....the black ink prints, and the new cart had a defect, went back to store and they replaced it. and it worked also.

    thanks guest, your awesome


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I had the exact same problem and this is how I fixed it. You have dried ink in the print head and cartridge slot and you need to loosen it up.
Remove the black ink cartridge and if you feel inside the slot, you will notice that it is dry and sticky.
Get a paper towel and soak it in warm water. Dab the wet paper towel in the empty cartridge slot and you will notice that all of that dried ink is now on that paper towel, continue to clean the inside of the slot, then dry it with a dry paper towel.
Run a couple of more cleaning cycles, then start to print. At first you will only see black lines, then run a couple of more cleaning cycles and try again. With each of these cycles you will notice that the text will become more and more clear until finally, it will print perfectly. Hope this helps.

Dave

Posted on Dec 18, 2008

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Black ink won't print

Posted on Nov 11, 2008

4 Suggested Answers

KingDWS
  • 1606 Answers

SOURCE: MFC-790CW; will not print the black color..

You probably have a plugged print head or the black ink feed is plugged.
Depending on how bad it is you may find it easier or even cheaper to replace the printer.

If this is a ink caused problem you stand a chance of fixing it if you are patient but you might go through half an ink cartridge to get it working, If it is stubborn it can take 20 or 30 cleaning cycles before you see any black. You can try using household vinegar (dissolves the dried ink) on a qtip or lint free paper towel to try to clean the print head. To do this you remove the ink cartridge and very gently rub the towel with the vinegar on the print head. This might require you to move the print head to one side so you can see the actual print area (where the ink comes out). Keep doing this until the towel starts to come clean ie not as much ink coming off. Then run a few print cycles and if this works your printer will print as good as the first day you had it.

The next stage would require filling a old clean ink cartridge with vinegar and running cleaning cycles. Usually can be pretty messy and you should rethink buying a new printer but will really clean things out.

It is also possible that the print head has picked up clay or paper lint from the paper and this has hardened like a cement. That means replacement.

Posted on Aug 17, 2009

  • 1 Answer

SOURCE: full of black ink & need to print black. other

I ran this process two months ago when the printer was 4 months in use.
Try running through the manual cleaning process for the print heads.
1-press ink
2-choose cleaning
3-choose ALL. If that doesnt work try cleaning BLACK only.
when the cleaning finishes the machine will go back to standby mode automatically.
see pg 172 in users manual under routine maint.

Posted on Jun 28, 2010

  • 1116 Answers

SOURCE: My Brother LC61, bought in

This is common problem with Brother Printers. I am going to assume you are using Non-Brother branded ink cartridges. Brother cartridges have a cleanser in the ink that most generic cartridges don't have. This in turn causes the jets to clog and not allow ink to pass through them. The fix is to go buy a couple of Brother cartridges and do a cleaning with those cartridges. You may spend some money doing this as a cleaning wastes a lot of ink, but it will clean the injection lines and fix the printer. You could also consider buying a new printer. I know this is not the answer you were looking for, but it is the true answer. I just bought a new printer due to this fact.

In case of a problem or clarification or my solution was insufficient, don't hesitate to post me a reply.

If you are satisfied, rate my solution with the "thumbs" or (even better) add a testimonial.

Posted on Jun 11, 2011

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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http://journal.drfaulken.com/trick-your-brother-inkjet-into-working-when-an-ink-cartridge-runs-dry/

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