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

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Clogged filter 420cn

What is the fix for a clogged filter and/or print head?

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Re: clogged filter 420cn


Posted on Sep 25, 2007

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Brother 420cn mfc, cant print It asks me to read in the routine maintenance of the trouble shooting guide.

Did you use non-Brother brand ink refills? If so, the print head is probably clogged. If that is the case, it's almost cheaper and easier to replace the printer itself. Sorry. I loved my MFC-210C until it quit, and the internet is full of people complaining about the whole MFC series. Going on 2 trouble free years with my Canon, better print, better optics, wireless, but no fax, unfortunately.

Aug 11, 2010 | Brother MFC 420CN All-In-One InkJet...

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My brother mfc 420 stopped printing in black

it sounds like to heads are clogged. please clean the printer heads using the software of your printer. that should unclogged it.

Jun 19, 2010 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Trouble shootig

1. You may have a clogged print head.
2. these print head are usually good 4 so many prints then will fail.
3. I heard on tech here swear by placing the head in hot water and unclogging it but I think in the long run that will be a print head replacement. I would contact the manufacturer and ask what cleaning method (manual) they recommend because each print head design is somewhat different whereas the operation is the same.
4. I manually clean with denatured alcohol and a Q tip. Some time works /sometime it doesn't .

Apr 29, 2010 | Brother MFC 420CN All-In-One InkJet...

1 Answer

It prints, but not visible, i change ink on all of them and is the same only in black, all other its fine on my MFC-420cn.

You have a dirty ir clogged print head. You can sometimes get it to work again by running a lot of cleaning cycles. 10-30 cycles is sometimes how many it can take. Unfortunately sometimes that won;t work so you have to hit it with a bigger hammer in this case you can clean the print head using q-tips or lint free paper towel and vinegar. The vinegar dissolves dried ink. If this works (it usually does the trick) the printer can work as well as the first day you got it.

Remove the ink cartridges. Then to clean it you need to wet the swab or the towel and gently rub the print head where it touches the paper. You will see a little ink then a lot then it will fade out as you get the head clean. Generally after it starts fading out that means you have most of the dried ink cleaned off. Replace the ink carts and then run a cleaning cycle and you should have your printer working again.

If none of these work then it may be too badly clogged and you should just consider getting a new printer as the print head is worth about what a new printer will cost.

Nov 04, 2009 | Brother MFC 420CN All-In-One InkJet...

1 Answer

My brother mfc 420cn printer quit printing...

I'd venture to say that if you haven't used it in a while the ink dried up and clogged the print head. It is probably a job for a service center. Good luck

Aug 05, 2009 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Won't print won't run clean routine

Did you try this

Press Ink.
2 Press ▲ or ▼ to select Cleaning.
Press Menu/Set.
3 Press ▲ or ▼ to select Black, Color or All.
Press Menu/Set.
The MFC will clean the print head. When cleaning is finished,
the MFC will go back to standby mode automatically.
If you clean the print head at least five times and the print has
not improved,

Apr 28, 2009 | Brother MFC 420CN All-In-One InkJet...

3 Answers

MFC 420CN printer

Remove the black cartridge again and remove the plastic tape where the ink comes out and then re-insert and try again.

Sep 13, 2008 | Brother MFC 420CN All-In-One InkJet...

1 Answer

No black ink prints but colors almost perfect

Sorry, no good news: Infact you need a new printhead. The refill ink has clogged the filter inside the head which is in front of the nozzles. Another reason could be: Did you unplug the printer from power in those weeks of none use? If yes, the head has dryed out. In future: Do one simple test print once a week when you dont use the printer too often. That keeps the nozzles going :) There is some hope, too: See here how to fix it on your own (Following the link given to : choose mfc 215c inside)

Oct 05, 2007 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Cant print in black

Do the cleaning procedure twice. Use a original brother ink cart! If you are lucky, the printhead is not clogged. If you dont see any black blocks when printing the testsheet, the head is definitly clogged. You cant clean the printhead because of an internal filter!

Aug 27, 2007 | Brother MFC 420CN All-In-One InkJet...

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