Brother HL-L8350CDWT - Manual (Page 143)

Routine Maintenance
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5
c Hold the blue handle of the drum unit. Pull the drum unit out until it stops.
d Turn the blue lock lever (1) at the left of the machine counterclockwise to the release position. Holding
the blue handles of the drum unit, lift the front of the drum unit and remove it from the machine.
2
1