If you are having issues with the driver, the most helpful step is usually to download the . It is a standalone tool included in the driver support page that automatically fixes port conflicts and driver errors common with the LaserJet M100 series.
There are a few ways to download the driver for your HP LaserJet M111w printer: Driver Hp Laserjet M111w
The HP LaserJet M111w is a "driverless" printer via AirPrint and Mopria, but older Windows 7 systems require a manual driver. No CD is included; download from HP’s website. If you are having issues with the driver,