Question about Brother MFC-8640D Printer

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Error message-machine errror 6c - Brother MFC-8640D Printer

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Actualy the fuser has overheated and as a result probably has died.
the best thing to do is to replace the fuser and power suply (probably there is a short in the fuser drive thyristor causing the fuser to have been overheated).
After replacement of fuser and power suply you should reset the fault in service mode by doing the following:
1- press the Menu button,*, 2, 8, 6, and 4 keys in this order within 2 seconds.
2- press the keys 9 and 1 in this order to clear nv-ram
3- after nvr-init is done press key 9 twice to exit maintenance mode
4- power the printer off and on.

Posted on Oct 09, 2008

The fuser in not reaching operating temperature, probably the fuser has gone dead

Posted on Oct 08, 2008

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