Xerox Laser Phaser 4400N 1200dpi 25ppm. Maximum resolution: 1200 x 1200 DPI. Print speed (black, normal quality, A4/US Letter): 25 ppm. Maximum input capacity: 650 sheets. Maximum output capacity: 500 sheets. Maximum ISO A-series paper size: A4, Maximum print size: A4 (210 x 297 mm)