Epson ColorWorks C7500 Technical Reference Guide - Page 124

Specifying the barcode data Specify the barcode data by referring to the following descriptions. About the composite symbol: The switch between CC-A to CC-B can be automatically performed, but the customer needs to select explicitly for CC-C. (In case of GS1-128, the type of composite component can be selected from "None", "CC-A/CC-B" or "CC-C".) Composite Component Type Encodable Digit Number CC-A 1 ~ 56 digits CC-B 1 ~ 338 digits CC-C 1 ~ 2361 digits About the HRI character: When the total width of the HRI character is larger than that of the barcode, the HRI character width is set as the barcode width. UPC-A  Specify data in 11 digits. The check digit is automatically added. UPC-E  Specify data in 10 digits. 5 digits are a manufacturer code and the rest 5 digits are an item code. JAN13(EAN)  Specify data in 12 digits. The check digit is automatically added. JAN8(EAN)  Specify data in 7 digits. The check digit is automatically added. Code39  When both or either one of start/stop code ('*') is not specified, it is automatically added. ITF  When data of odd digit number is specified, "0" is automatically added to the head. Codabar(NW7)  Do not include the start code and stop code into data. The start code and stop code specified in the printer driver screen are added. 124