Question about Brother MFC 420CN All-In-One InkJet Printer
I have tried printing documents and the part of the documents that are in red ink does not print. can anyone help?
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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Posted on Jan 02, 2017
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