Brother DCP 770CW and 750CW Printer Error 46 Unable to Clean

Brother DCP 770CW and 750CW Reset Solution for Error 46 Unable to Clean,  Other (non-FAX) models:

•     Press the Menu/Set and Black Start keys
•     Next press the “up arrow” key four times to enter the maintenance mode
•     Press the 8 then 0 keys in the initial stage of the maintenance mode to call up the machine’s log information list (function code 80)
•      Press the Black Start key several times to scroll through the log information list to reach the purge counter. The purge counter is the 25th item in the list
•     Press the 2, 7, 8, and 3 keys in this order to reset the purge count to zero
•     Press the Stop/Exit key to return to the initial stage of the maintenance mode
•     Press the 9 key twice to return to the standby state