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

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Black Won't Print On MFC 420 CN

I had surgery and my Brother Printer stayed idle for almost a year. I changed cartridges today and cleaned 5 times, all colors work, but not black. Is there some other way to clean the print heads as I assume this is the problem.

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  • PoppaDick Feb 05, 2008

    I didn't have surgery and mine didn't sit for a year. It sat needing ink for a couple of weeks. Now ...same problem. Very faint print, I've cleaned and cleaned. It got better, but it still isn't right. Help! I've hardly used this thing in the year I've owned it! (but it has always worked well until about a month ago when I refilled the cartridges)

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OK folks, here's a success story for a change. I have a MFC 420CN. I also refill my own ink cartridges. I previously had a similar printer stop printing black and cyan which left me with a useless printer. When my black stopped printing I thought here we go again...so I read a few posts and then tried something.

I went to Office Depot and bought a pack of Inkjet Printer/Fax Cleaner Sheets (Part # 470041) for $13.99. I bought a bottle of 70% Isopropyl alcohol ($2.50) and went to work.

First I put a cleaning sheet through the printer but it didn't seem to do much so I added a little extra alcohol to the sheet and ran it through a couple of times printing a page full of "B"s in bold font.

I then took an old black cartridge and an empty ink re-filling bottle (with the thin needle on the top) filled with isopropyl alcohol and then filled the cartridge with the alcohol.

I then ran 100 pages of printing the "B"s in bold font. After a while the printing came back and then got fainter and fainter. Finally, I put my old black ink cartridge back in the printer and printed 50 of the "B" pages.

My black is working fine again! Give it a shot for less than $20.00!

Good luck!

Posted on Feb 08, 2008

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Use another new genuine (original brother) BK cart. Do the cleaning twice only for BK. Wait some time (4 hours). If the ink has dryed up, the cleaning ink will break up the dryed one. Do the cleaning again. If it doesnt work, please write again.

Posted on Sep 18, 2007

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