Dot matrix printer

3 inch dot matrix printer Technique Specification 1.Printing Mode: 9 pin parallel bidirectional printing 2.Printing Density: 42CPL-210(full dot)420(half dot) 40CPL-200(full dot)/400(half dot) 3.Printing Speed: 7.1 line/sec at 16CPL 4.1 line/sec at 40CPL 4 line/sec at 42CPL 4.Printing Width: 42CPL-42(7×7)/35(5×7) 40CPL-40(7×7)/35(5×7) 5.Feeder Speed: About 100mm/sec 6.Black mark Inspection: Black mark printed at the right side of the receipt, the height is 5mm(along the feeder direction), the min width is 12mm; Part of the reflect rate of the black mark is not more than 10%, the reflect rate of the rest part is more than 75% 7.Ribbon: ERC-39 ribbon with box: purple or black(EPSON or other compatible ribbon) 8.Reliability of the printing: 9 million line(MCBF), the ribbon which was appointed by the manufacturer is necessary Printing Character 1.IBM Character Font II: 7×7 dot or 5×7dot 2.International Standard I. II Class Chinese Font: 24×24 dot 3.00(width)×3.00(height)mm Interface Form 1.Serial Interface: D-SUB25 thread socket(female), compatible with RS-232; support DTR/DSR; asynchronism serial communication: 9600bps/19200bps; 8 digit data; 1 digit stop 2.Parallel Interface: 8 digit parallel interface, BUSY handshaking protocol, PE without paper detection, interface socket take D-SUB25 thread socket(pin) 3.Cashbox Control: DC24V, 2A, 6 thread RJ-11 socket