The HP Color LaserJet 2840 all-in-one printer, scanner, fax, copier has the same features as the HP Color LaserJet 2830 all-in-one, including high-capacity color print cartridges that can print up to 4,000 pages at 5% coverage, and it includes a 250-sheet tray (tray 2) for standard sizes. This model features rated memory-card slots as well.