Xerox Phaser 6600 A4 35/35 ppm Printer Adobe PS3 PCL5c/6 2 Trays Total 700 sheets. Maximum resolution: 600 x 600 DPI, Maximum duty cycle: 80000 pages per month, Recommended duty cycle: 5000 pages per month. Print speed (black, normal quality, A4/US Letter): 36 ppm, Print speed (colour, normal quality, A4/US Letter): 35 ppm. Maximum internal memory: 768 MB. Processor clock speed: 533 MHz. Standard input capacity: 700 sheets, Maximum input capacity: 1250 sheets