Brother International HL-2400C Service Manual - Page 43

5) Install the new OPC belt cartridge into the guides at both sides in the printer. 6) Set the belt cartridge lock lever at both sides (left and right). Fig.3-6 3.2 Install the Toner Cartridges into the Printer 1) Rock each of the cartridges 3 to 4 times through 30o to the horizontal. 30o 2) Remove the tape fixing the protective cover and remove the protective cover from the new toner cartridge. Fig.3-7 30o Fig.3-8 Protective cover
3) Install the new toner cartridge along the guide into the printer.  Fig.3-9 Fig.3-10 III-6