HP Color LaserJet 3600dn Printer. Maximum duty cycle: 1000 to 3000 pages per month. Maximum input capacity: Sheets: 100; labels, transparencies, cardstock: 50; envelopes: 10 sheets. Standard output capacity: Up to 200 sheets, Maximum output capacity: Up to 200 sheets. Power consumption (standby): 335 watts. Standard output capacity for transparancies: Up to 60 sheets, Recommended humidity operating range: 20 to 60% RH, Input capacity for envelopes (primary tray): Up to 10 envelopes