Epson Epson Stylus Pro 7450. Print speed (normal quality): 23.3 m²/Hr. Maximum resolution: 1440 x 720 DPI. Maximum print size: A1 (594 x 841 mm), Maximum media width: 203.2 - 610, Media thickness: 0.08-0.50 mm. Maximum roll length: 279 m, Roll dimensions: 2"-3". Interface: USB