Brother MFC 420CN All-In-One InkJet Printer Logo
Kylie Lane Posted on Oct 12, 2009
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My Brother Printer MFC 665-CW just came up with a message Unable to Print 4F

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Just got a new brother mfc -665CW inkjet printer with built in wireless. The moment i just it on, there is a message on the viewer: unable to init. 50
What can i do?

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  • Posted on Mar 02, 2010
Clive
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Hi there
Worth a go/
With some Brother printers you can try this.

Access the internal maintenance mode by pressing the Menu/Set button, then press * 2 8 6 4 within 2 seconds. This should put you in the maintenance mode menu. Enter 80, and then scroll down with the arrow down (round) key. You'll find an entry listed as purge count. If number is over 6000, enter 2 7 8 3.

This will reset the purge count value. Then the printer will restart, hopefully without the annoying cannot clean message.


Some times this happens because of using cheap compatible ink cartridges if this is the case change the ink cartridges.

Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

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Anonymous

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  • Posted on Oct 22, 2009

SOURCE: Brother MFC-665 CW with "unable to print 4F" error

My MFC 665CW popped this same "Unable To Print 4F" error recently making the machine fully useless. Just an annoying triple beep and repeat error message to screen when trying to do anything at all with it. I wrote Brother about it. They said to check all through the machine (with a light) for any paper torn off inside, or unwanted foreign objects. This is a good step to do anyway to help maintain the printer. If that is not it, they said it would be a mechanical malfunction. I tried "resetting" by unplugging it for a while as they suggested to no avail. Also while I did find a bit of paper torn off down in my MFC 665 removing it had no effect.

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