Brother HL-4000CN - Manual (Page 150)

8-4
6.
Align the toner cartridge with the
corresponding insertion point in the
printer and insert it as illustrated.
1. Toner seal
7.
Grip the levers at each end of the toner
cartridge with your fingers, then push
down firmly to rotate the levers forward
to the ( ) position.
8.
Pull the toner seal straight up to
remove it.
Look
0
Pull the toner seal straight up. Pulling
the toner seal diagonally may tear the
seal.
9.
Replace the top cover.
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