Before clicking on any "Download Now" buttons, you need to understand what you are working with. The EasyJet brand typically markets Chinese-manufactured wide-format printers. The is a Micro Piezo printhead (originally an Epson clone). Because the printer logic board (mainboard) often uses a modified Epson or proprietary RuiDa/Trycolor board, the driver is not automatically recognized by Windows.
The XP600 is a piezoelectric printhead originally developed by Epson but widely adapted by Chinese manufacturers under names like "EasyJet," "Infinity," "Rinfo," or "FutureJet." Unlike a standard office printer, these large-format machines rely on proprietary drivers that translate your design file (from software like software – Wasatch, MainTop, PhotoPrint, etc.) into precise firing commands for the nozzles.