Epson SureLab D3000 - Single Roll Operation Manual page 76

C
Open the humidity control unit's cover.
The rear roll paper feeder does not have a cover.
D
Remove the screw by hand (one point) that fixes the humidity control unit in place.
Do not remove the screw for the rear roll paper feeder. After loosening the screw, slide as shown in the
following illustration.
Adjusting the Humidity in the Roll Paper Feeder
76