HP (Hewlett Packard) LaserJet Enterprise 500 Color M551xh (CF083A) is a reliable and robust workgroup color laser printer designed to meet the most demanding printing needs. M551xh prints up to 32 ppm with high resolution 1200 x 1200 dpi and supports duplex printing. Enterprise M551xh comes with extra large 1100-sheet standard media input capacity. It also has 250 sheets capacity output tray. M551xh comes with both USB and ethernet connection and includes enterprise networking capabilities. HP Color LaserJet M551xh uses HP (Hewlett Packard) 507A Black, 507X High Yield Black and three 507A Color (Cyan, Yellow, Magenta) cartridges. Cartridge model numbers are CE400A, CE400X, CE401A, CE402A, CE403A, CE254A.