... to keep developing,1-6 line 2.can print date,number,logo,design Date / Time / Serial Number / Design / Logo Black Ink ... Print speed4.5m/s(5×7pixel) InterfaceIn Chinese & English, with editing functionStore Information 40 pcs of jet printing informationJet ink ... Chinese character, Letter, Logo, Serial numbers, Random numbers etc. with in 32×2560pixel. Fixed length print FunctionAny unit, any length ...