HP LaserJet Pro M501 M501dn Desktop Laser Printer - Monochrome - J8H61A#BGJ - Laser Printers - CDW.com
HP LaserJet Pro M501 Monochrome Duplex Laser Printer With Toner TESTED | eBay
HP LaserJet Pro M501 Printer Video | Official First Look | HP - YouTube
Amazon.com: Altru Print M501-RK-AP Roller Maintenance Kit for HP Laserjet Pro M501 & Managed/Enterprise M506, M527 with F2A68-67910 Transfer Roller, F2A68-67914 MP Tray and 1 Pair of F2A68-67913 Tray 2 Rollers :