: If you encounter "Error 11," HP recommends updating the printer's firmware through the HP Support site or the HP Smart app. code or setting up the HP Smart app on your mobile phone?
For the easiest experience, use the via 123.hp.com . For more control over the installation or for specific IT setups, use the HP Support website to download the Full Feature Driver manually. hp laserjet mfp m139-m142 driver download
This is the middle-ground tool that helps find the driver without requiring a full app installation on some systems. : If you encounter "Error 11," HP recommends
The HP Smart app is the primary way to install drivers, connect to Wi-Fi, and manage scanning functions. Visit 123.hp.com : If you encounter "Error 11