Firmware is the "brain" of your printer. Unlike a driver, which tells your computer how to talk to the printer, firmware controls the internal operations of the machine itself. Regular updates are critical for several reasons:
Download the firmware ZIP file and extract the contents to the root directory of the USB drive (not inside a folder). Kyocera Firmware Downloads
Kyocera occasionally releases updates that improve the user interface, add cloud printing capabilities (like AirPrint or Mopria improvements), or optimize toner usage. Firmware is the "brain" of your printer
Enter your model number in the search bar. You will typically see several categories of downloads: (KX Driver, Mac Installer) Utilities: (Net Viewer, Quick Scan) Mac Installer) Utilities: (Net Viewer