https://www.bleepingcomputer.com/news/microsoft/windows-10-1903-kb4522016-cumulative-update-breaks-printing/ > Microsoft acknowledged a new issue leading to intermittent issues when printing or completely breaking the printing capabilities of Windows devices after installing cumulative updates issued during late September. > "The print spooler service may intermittently have issues completing a print job and may result in a print job being canceled or failing," says Microsoft in the known issue's description on the Windows Release Health Dashboard.