Epson Stylus Pro 4000 Reference Manual page 237

2. When attaching roll paper with 2-inch core, remove the gray
attachments.
Note:
Keep the gray attachments in a safe place for future use.
When attaching roll paper with 3-inch core, slide the gray
attachments to the black and white ones, matching the four
arrows.
3. Place the roll paper on a flat surface so that it does not unwind.
Slide the roll paper onto the spindle and onto the white flange
until it fixes into place.
Note:
Do not stand the spindle when attaching the roll paper. It may cause
a slant paper feeding.
Paper Handling
5
5
5
5
5
5
5
5
5
5
5
5
237