Brother HL-3400CN Series Quick Setup Manual page 3

Step 3 Install the Toner Cartridges
Step 3 Install the Toner Cartridges
Pull off the tape labelled 'REMOVE' from the
toner cartridge.
Install the four toner cartridges by sliding each
of them into the correct guide. Match each
color cartridge color label to the corresponding
color label on the printer.
Step 4 Install the Oil Bottle and Fuser Cleaner
Step 4 Install the Oil Bottle and Fuser Cleaner
Release the Oil Bottle Lock Levers and the
Fuser Cleaner Lock Levers.
Install the Oil Bottle into the Fusing Unit with
the label side facing you. The Oil Bottle is
keyed to prevent incorrect installation.
Place the Fuser Cleaner into the Fusing Unit
with the roller side facing you.
After rocking each toner cartridge 3 to 4 times,
remove the orange protective cover from the
toner cartridges. Each toner color cartridge is
individually keyed
installation.
Close the Front Cover.
Set the Fusing Unit Pressure Release Levers
to the SET position.
Lock the Oil Bottle in place by turning the Oil
Bottle Lock Levers.
Lock the Fuser Cleaner in place by turning
the Fuser Cleaner Lock Levers. Close the
Top Cover.
to prevent incorrect