Question about Brother MFC 7420 All-In-One Laser Printer

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My printer has an error messege(failed to warm up)

I tried restarting it and it says "automatic diagnostics will restart in ten minutes". what can i do?

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Self diagnostic restart with in 15 minut.

Posted on Nov 13, 2010

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Self diagnostic will complete automatically in 10 minutes


Problem for Brother MFC-7420 All-In-One Laser Printer Self diagnostic will complete automatically in 10 minutes

Aug 01, 2007 | Brother MFC 7420 All-In-One Laser Printer

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