Brother HL-3450CN Service Manual page 197

HL-3450CN SERVICE MANUAL
(2) Plug the power cable into the power outlet and turn on the printer.
(3) Upon completion of the warming-up process.
(4) Press any of the Menu buttons (+, -, Set or Back) to take the printer Off Line.
(5) Press + or – until "RESET MENU" appears.
(6) Press Set to proceed to the next menu level, and then press + or – until "PARTS LIFE"
appears.
(7) Press Set, and then press + until "FUSER UNIT" appears.
(8) Press Set, and then press Go. The printer is now in the READY state
NOTE:
When installing the new fusing unit into the printer, you have to wait approximately for 30
minutes after the unit is installed to allow the fusing oil to circulate in the unit.
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