The OEM F2A72A 550-Sheet Paper Tray is designed specifically for use with various HP LaserJet models, including the M501, M506, M507, and M527. This white tray has a total paper capacity of 550 pages, making it ideal for high-volume printing environments. Compatible with both HP LaserJet Pro and Enterprise series printers, this tray offers a convenient and efficient way to feed paper into your printer for seamless printing results.