The least accessible customer service…
The least accessible customer service on the planet. Not just for the printers, but for the filament also. I got a a20T printer, and it needs a lot of modification to do a days work. Wobbly gantry, poor build quality. Geetechs system for customer services requires info you were never given in your purchase, so good luck with your secondhand geetech purchase, you are f'ed now!!!