Epson AcuLaser MX20DNF - Manual (Page 200)

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Caution:
❏ Never touch the developing roller that is exposed after removing the protecting cover;
otherwise, print quality may decline.
❏ Do not expose the photoconductor unit to room light any longer than necessary.
❏ Never touch the photoconductor unit’s light-sensitive drum; otherwise, print quality may
decline.
4. Wipe paper dust and marks from the metal roller inside the printer with a dry and soft cloth as
shown below.
Epson AcuLaser MX21/MX20 Series User's Guide
Cleaning and Transporting the Printer 200