Xerox Phaser 3150 V_B. Maximum duty cycle: 15000 pages per month. Print speed (black, normal quality, A4/US Letter): 20 ppm. Standard input capacity: 50 sheets, Maximum input capacity: 250 sheets. Standard output capacity: 150 sheets, Maximum output capacity: 150 sheets. Maximum ISO A-series paper size: A4, Maximum print size: A4 (210 x 297 mm), Media weight (tray 1): 60 – 90 gsm