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

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Brother mfc 420 cn does not print red color

I have tried printing documents and the part of the documents that are in red ink does not print. can anyone help?

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Re: brother mfc 420 cn does not print red color

Do you use generic ink? If yes, the generic ink might have clogged the ph (valve stucks inside because of lack of additives!).

Anyway, do this:
(use near full level ink carts!)
make sure carts are placed well and are secured.
Press menue then start bk copy then fortimes arrow up. machine will be in maintenance mode. press 7 then 6 then 4 then start bk copy. machine will refresh ink in tubes and ph and do some cleaning cycles. when finished press 7 then 6 then 3 then start bk copy. ,achine runs a power purge. when fisihed press 9 then 9 to leave the mode. press ink etc. to run a quality test print.
If you still cant see any magenta, the ph is defective and needs replacing!

Posted on Dec 19, 2007

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Brother MFC 420 CN

the brother printer is not a good brand i also have a brother mfc 3220cn and it gives the same problem, what you have to is unplug the machine and let it stand for about 2 days take out the cartridges and clean the printing with air replace back them and plug in.that should remedy your problem.i urge on you never to buy brother printers.if you buy them get a bottle of phensic along with it.good luck my brother.

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