Brother HL-3450CN Series User Manual page 141

Move the Fusing Unit Pressure
8.
Release Levers to the SET
position.
Install the Fuser Cleaner and the Oil Bottle into the new Fusing Unit and
9.
lock the Oil Bottle Lock Levers and the Fuser Cleaner Lock Levers. Be
careful not to spill oil inside the printer. This could damage the printer.
Note
If the condition of the Fuser Cleaner is poor, we recommend that you replace
the Fuser Cleaner at the same time as the Fusing Unit. The life counter for
the Fuser Cleaner will need to be reset. Please refer to page
instructions.
Partially used Oil Bottles can be reused with a new Fusing Unit.
Please wait for 30 minutes after installing a new Fusing Unit to allow the
oil to circulate completely through the Heat Roller.
Close the Top Cover, and then plug the printer into the AC outlet.
10.
Press the Power button to turn the printer On.
11.
Press any of the Menu buttons (+, –, Set or Back) to take the printer Off
12.
Line.
Press + or – until "RESET MENU" appears.
13.
Press Set to proceed to the next menu level, and then press + or – until
14.
"PARTS LIFE" appears.
Press Set, and then press + until "FUSER UNIT" appears.
15.
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CHAPTER 5 MAINTENANCE
Fig. 5-23
5-15 for