Abstract
The today's aspects of the high speed printing by ink jet printer are overviewed. The main points of the serial printer are explained from print head, hard ware of printer, software, ink and paper. There are many technical subjects to get the optimum solution of high speed and high quality printing by ink jet. The researches for high speed ink jet printer are focused on to develop the highly integrated print head and gray scale technology. The choice of ink sysytem for fast drying and fixing is a key in ink jet printer. The technical subjects in page wide print head and printer are summarized.
