Brother HL-4140CN User Manual page 113

Routine Maintenance
e
Unpack the new belt unit and put the new belt unit in the machine. Make sure the belt unit is level and
fits firmly into place.
f
Make sure the green lock lever (1) is in the release position as shown in the illustration.
g
Match the guide ends (2) of the drum unit to the c marks (1) on both sides of the machine, then gently
slide the drum unit into the machine until it stops at the green lock lever.
1
2
1
5
108