Question about Brother MFC 420CN All-In-One InkJet Printer
Unplug the power cord, then plug back in WHILE holding 'menu' key, to get into maintenance mode. Type 76. Then type 4. Press the black start button. Sit back and wait ... it may take a while. This cleans the black printer head. Good luck to you.
Posted on Mar 30, 2011
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Posted on Jan 02, 2017
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