HP DeskJet 3845 Color Inkjet Printer Fast, up to 18 ppm printing in black, 14 ppm in color Up to 1,200 dpi black resolution, 4,800 x 1,200 optimized dpi color Optional 6-color printing; borderless 4-by-6-inch photos HP PhotoREt III color; HP PhotoREt IV with optional photo cartridge USB connectivity; integrated memory; PC and Mac compatible