Printing of Bar Code Signs

　　Bar code is a special graphic to transmit information, and the bar code symbol must comply with the requirements of the bar code national standard regarding optical characteristics and dimensional accuracy in order to be scanned and read by the bar code reader smoothly.

　　The barcode symbol must meet the requirements of optical characteristics and dimensional accuracy in the barcode national standard in order to be scanned and read by the barcode reader smoothly. This inherent characteristic of barcode determines that printing barcode is different from printing other products. Therefore, barcode printing technology has become a rather important part of barcode technology, and it is also a comprehensive technology with strong professionalism.

　　Bar code printing can be generally divided into two categories: one is on-site printing (i.e. online printing); the other is off-site printing (i.e. offline printing). Printing barcode can be directly linked to the printer for printing after the batch generation of good barcode, or the batch output of the produced barcode label as TIFF, PDF (RGB, CMYK), PPML, Postscript document, etc. after printing.

　　1、Off-the-shelf printing

　　On-site printing equipment adopts general-purpose printers and special barcode printers. Regardless of which printer is used, the premise is that the printed barcode logo (label) needs to be generated and then printed afterwards.

　　2、Off-site printing

　　Off-site printing can be divided into letterpress printing, lithographic printing, gravure printing and aperture plate printing according to the form of plate making. You can generate barcode labels in batch in barcode labeling software, export PDF documents in batch, and then do off-site printing.