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Home > Routine Maintenance > Clean the Machine > Clean the Drum Unit
Clean the Drum Unit
• If your printout has black or white dots or other repeating marks at 3.0 in. (75 mm) intervals, the drum may
have foreign material, such as glue from a label, stuck on the drum surface.
• Before starting the cleaning procedure, see Related Information: Clean the Machine.
>> HL-L3220CDW/HL-L3240CDW
>> HL-L3280CDW/HL-L3295CDW
HL-L3220CDW/HL-L3240CDW
1. Make sure the machine is in Ready Mode.
2. Press a or b to display the [Print Reports] option, and then press OK.
3. Press a or b to select the [Drum Dot Print] option, and then press OK.
4. Press Go.
The machine prints the Drum Dot Check Sheet.
5. Press and hold to turn off the machine.
6. Open the top cover until it locks in the open position.
WARNING
HOT SURFACE
The machine's internal parts will be extremely hot. Wait for the machine to cool down before touching
them.
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