Most M139–M142 models are compatible with Apple AirPrint, meaning you may not need a manual driver download.
Visit the HP Support Portal to find the specific driver packages for the M139-M142 series. hp laserjet mfp m139m142 driver download link
However, a printer is only as good as its software. Without the correct driver, your computer will not be able to communicate with the machine. Searching for the "hp laserjet mfp m139m142 driver download link" often leads users to confusing third-party websites full of fake "download" buttons and potential malware. Most M139–M142 models are compatible with Apple AirPrint,