Epson 5000 - Manual (Page 62)

Paper-thickness lever
Set the paper-thickness lever to match the thickness of your
paper according to the table below.
Paper Type Lever Position
Ordinary paper (with film ribbon) -1
Thin paper -1 or 0
Ordinary paper (single sheets or continuous)
0
1
2
4 sheets (original +
3
copies)
Multi-part forms (carbonless)
2 sheets (original + 1 copy)
3 sheets (original + 2 copies)
2 to 3
2
Envelopes 2 to 5
Note:
Print speed is reduced for paper-thickness lever settings of 2 and above.
2-24 Paper Handling