Epson Pro 5000 Reference Manual page 209

Printable area:
Single sheets (including panoramic size)/index cards
A
A: The minimum top margin is 3.0 mm (0.12 inch).
B: The minimum left and right margins are 3.0 mm (0.12 inch).
C: The minimum bottom margin is 14.0 mm (0.54 inch).
Envelopes
A
B-L
A: The minimum top margin is 3.0 mm (0.12 inch).
B: The minimum left and right margins for C5 envelopes are 3.0 mm
(0.12 inch).
The minimum left margin for envelopes is 14.0 mm (0.54 inch).
The minimum right margin for envelopes is 3.0 mm (0.12 inch).
C: The minimum bottom margin for C5 envelopes is 14.0 mm
(0.54 inch).
The minimum bottom margin for envelopes is 3.0 mm (0.12 inch).
B-L
B-R
C
B-R
C
Specifications
A
A-5