Question about Brother MFC-9840CDW Laser Printer
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Posted on Jan 02, 2017
SOURCE: imprimir .imposible 4F
The 4F error code message indicates that the printhead is dead, you will need to replace it to make it work again. Before you replace it, you may want to try this, see if it will remove the clean unable error message: 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, 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.
Posted on Feb 13, 2011
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