Brother HL-4140CN User Manual page 107

Routine Maintenance
Drum Stop message
Drum Stop
We cannot guarantee the print quality. Please replace the drum unit with a new one. We recommend a
genuine Brother drum unit be installed at this time.
After replacement, reset the drum counter by following the instructions included with the new drum unit.
Replacing the drum unit
Before you replace the drum unit, see Before replacing the consumable items on page 93.
a
Make sure that the machine is turned on. Press the front cover release button and then open the front
cover.
b
Hold the green handle of the drum unit. Pull the drum unit out until it stops.
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