Brother HL-2400C Series - Manual (Page 148)

CHAPTER 5 MAINTENANCE
5-7
3. Release the Oil Bottle Lock Levers as shown below.
Fig. 5-3 Release the Oil Bottle Lock Levers
4. Take the empty Oil Bottle from the Fusing Unit. Place a sheet of
paper under the Oil Bottle so that the oil will not spill into the printer,
and remove the bottle towards the right hand side of the printer. Be
careful not to spill oil inside the printer. It might cause damage to the
printer.
Fig. 5-4 Take the Oil Bottle out