Question about Brother MFC-5840CN All-In-One InkJet Printer

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Unable to print message on Printer LCD

I have Machine error 4F displayed after following the steps.

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  • Mo Chawdhery Mar 22, 2008

    Unable to print I have the same problem I get machine error 32

  • Aland Coons
    Aland Coons Jan 07, 2009

    "Unable to Print" message displayed. Pressed and held MENU while applying POWER until all LEDs flashed on/off. After a diagnostics menu now displays "Machine Error4F"

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  • Master
  • 832 Answers

The print head is defective and needs replacement.
BTW the sparepart costs quite a lot of money.
Its better to buy a new mfc!
Sorry!

Posted on Mar 17, 2008

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Posted on Jan 02, 2017

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here read this:
http://www.brother-usa.com/FAQs/Solution.aspx?FAQID=100000001887&Sympt=How+do+I+clear+the+message+Machine+Error+4F+from+the+display%3f&Model=89&ProductGroup=5&ProductID=MFC210C

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