Every 3 months, apply light machine oil to the carriage rail (not the belt). Every 6 months, calibrate the blade depth using a 45° test cut: ideal cut leaves a 0.1mm kiss-cut through the vinyl face but no backing paper score.
To get the most out of the KH-720, users should consider the following tips: cutting plotter kh-720
The KH-720 is not a flawless machine. It lacks closed-loop motors, has no built-in contour camera (only a line sensor), and its plastic blade holder wears faster than brass alternatives. However, for the price, it delivers and a surprisingly robust optical registration system. Every 3 months, apply light machine oil to