Brother HL-3400CN Series - Manual (Page 41)

CHAPTER 2 SETTING UP THE PRINTER
2–11
4. Install the Oil Bottle into the Fusing Unit with the label side facing you. The Oil Bottle
is keyed to prevent incorrect installation.
Fig. 2-17 Install the Oil Bottle
!
Caution
Do not spill oil inside the printer. If oil does spill, it might cause damage
to the printer. If you do spill any oil, consult your dealer or an authorized
Brother service representative.
5. Lock the Oil Bottle in place by turning the Oil Bottle Lock Levers.
Fig. 2-18 Lock the Oil Bottle Lock Levers