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

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Prints header and footer but nothing in between

Printer was working just fine now will not print anything in black ink. All cartridges are full. I had the Brother 'clean' the ink, still will only print the if there is color on the page I want printed.

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  • seek_help Jan 06, 2008

    I have the same issue with my 420CN. I tried all that Brother website offers. Inspite of cleaning multiple times, and checking the ink volumes, securing the catridge properly etc, black color does not print. The other colors work just fine.

    In the solution that was provided earlier, the text said - "press menu then start bk copy then fourtimes arrow-up-button." I don't understand this. I pressed Menu and the display shows "Select & Set" with "1. General Setup". What exactly is "start bk copy"? What exactly do I do for this?



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Make sure that the carts are FULL, placed well and are secured!

press menu then start bk copy then fourtimes arrow-up-button.
machine will be in maintenance mode. press 7 then 6 then 4 then start bk copy. machine will initialize the carts and refresh ink in tubes and the ph. leave the maintenance mode when finished by pressing 9 then 9.

Run a quality test print.

If you still cant see any bk this might be because of generic ink which had clogged the bk channel. this cant be fixed anymore!

Posted on Jan 03, 2008


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