Special designed for plastic lids color printing, CSJ-G505C UV digital printing machine equipped with an automatic vacuum suction feeder, which can separate lids one by one, and drop to the conveyor for printing, saving lots of human cost;Plasma surface treatment making the printed clearer and more adherent. Bulk ink ClSS system with anti-pressure device, increase the printing quality and lower down the print cost; CMYK+W UV digital printing style, import the design for printing in a second; And the collector with counter, it can come out layers by layers; Suitable for printing on circular and square plastic lunch box covers with multiple colors, also supports variable data printing.