Epson AcuLaser MX20DN series User Manual page 212

Warning:
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Be careful not to touch the fuser, which is marked CAUTION, or the surrounding areas. If the
printer has been in use, the fuser and the surrounding areas may be very hot. If you must touch
one of these areas, wait 30 minutes to allow the heat to subside before doing so.
Caution:
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❏ 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.
Epson AcuLaser MX21/MX20 Series User's Guide
Troubleshooting 212