It is the software equivalent of a carpenter who refuses to use a measuring tape because "the eye is good enough." And strangely, for shipping labels, it is precise enough . You waste one label per roll. That is the tax you pay for speed. Is the Kuaimai driver ugly? Yes. Is the installation manual (usually a JPEG photo of a text file) unreadable? Yes. Does it occasionally require you to run a "Reset Tool" that just flashes CMD for a split second and then deletes itself? Absolutely.
Most label printers struggle with (detecting where one label ends and another begins). They use infrared sensors that get dirty or confused by black marks. kuaimai printer driver
Suddenly, it works. Perfectly.