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Question About Brother All in One Printer MFC-7420
Black, vertical line on all printouts...

A black, vertical line appears on all printouts on my MFC-7420 printer, even after cleaning drum with cotton swab and alcohol as per manual. What is solution?

Asked by Rachel on 07/19/2010 1  Answer

ManualsOnline posted an answer 14 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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