The grayscale printing of UV flatbed printer, also known as "variable point technology", most of the nozzles on the market have supported this mode of printing.In these UV flatbed printers commonly used in the sprinkler brand, Ricoh sprinkler head from its entry into the Chinese market has been favored by users, from Ricoh GEN4 to the current mainstream with 5-15PL multi-level gray Ricoh GEN6 sprinkler head, production capacity, resolution, precision are constantly improving.