Question about Brother MFC-5840CN All-In-One InkJet Printer
The print head is clogged.
Try powerful cleaning:
Press menu, then start black copy, then four times arrow-up quickly after another.Machine will be in maintenance mode
(all lights will flash).
Press 7-6-4 and OK (or start-black-copy).
When finished press 7-6-3 then start black copy,
printer will do a power purge.
Leave maintenance mode by pressing 9-9.
If this not help better think about new printer, because cost of repairing this one is profitable.
Posted on Nov 20, 2009
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Posted on Jan 02, 2017
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