... ;as for the ink circuit,four-pump-in-one design of diaphragm pump advanced in the industry is adopted. The ink jet printer has ... Letterform widen: the most can reach 9times 7. Print content: Chinese, English, Arabia numeral, chart and mark 8. Print format: ... batch number of products, serial number, counting, Chinese & English, diagram, auto continuously print, put-off print, positive ...