Brother HL-3400CN Series Quick Setup Manual page 2

Step 1 Remove the Protective Parts
Step 1 Remove the Protective Parts
Remove the protective parts, as shown.
Step 2 Install the OPC Belt cartridge
Step 2 Install the OPC Belt cartridge
Open the Front Cover and the Top Cover.
Remove the orange Belt Tension Release Pins
from both sides of the OPC Belt cartridge.
Insert the OPC Belt Cartridge into the printer
cartridge guides with the flat side facing you.
Note
Please be careful not to touch the green surface of the OPC Belt or expose it to light for any length of
time.
Release both green Belt Cartridge Lock Levers
by pulling them toward you.
Remove the Protective Sheet from the
OPC Belt Cartridge.
Lock the Belt Cartridge Lock Levers by pushing
them backward until they click into place.