HP Deskjet 6540 Color Inkjet Printer. Maximum duty cycle: Up to 5000 pages. Number of print cartridges: 3 (1 each black, tri-color, optional photo). Standard input capacity: Up to 150 sheets, Maximum input capacity: Up to 150 sheets. Standard output capacity: Up to 50 sheets, Maximum output capacity: Up to 50 sheets. Power consumption (typical): 62 watts maximum