Printer Driver Download HP LaserJet Pro M501n HP LaserJet Pro M501n Printer Driver Download. This HP LaserJet Pro M501n is an exciting laser printer, with some first-rate new aspects. The LaserJet pro M501n is a component of HP newest variety of M5 sequence printers for businesses, workgroups and small workplaces. It has a small footprint, measuring just 418 x 376 x 289 mm, and it weighs a tad