Brother HL-L2395DW Online User's Manual page 546

IMPORTANT
• To avoid print quality problems, DO NOT touch the surface of the drum unit, only the wheel on the
end.
12. Wipe the surface of the drum gently with a dry cotton swab until the mark or foreign material on the surface
comes off.
NOTE
DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.
13. Push the toner cartridge firmly into the drum unit until you hear it lock into place.
Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
14. Install the toner cartridge and drum unit assembly back into the machine.
15. Close the front cover of the machine.
16. Press to turn the machine on.
HL-L2395DW/MFC-L2730DW/MFC-L2750DW/MFC-L2751DW/MFC-L2770DW/
MFC-L2771DW
1. Make sure the machine is in Ready mode.
2. Press [Settings] > [All Settings] > [Print Reports] > [Drum Dot Print].
3. Press [Yes].
The machine prints the Drum Dot Check Sheet.
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