HP Officejet 7310 All-in-One. Maximum duty cycle: Up to 5000 pages, Number of print cartridges: 4 (1 each black, tri-color, optional photo, optional gray photo). Copier resize: 25 to 400%, Copy speed (US Letter, colour, normal): Up to 9.8 cpm. Gray scale levels: 203 x 196 dpi. Fax memory: Up to 150 pages. Standard input capacity: Up to 150 sheets, Maximum input capacity: Up to 150 sheets, Auto document feeder (ADF) input capacity: Standard, 50 sheets