Epson ColorWorks C7500 Technical Reference Guide - Page 127

Chapter 3 Handling GS1 DataBar Omnidirectional/GS1 DataBar Truncated/GS1 DataBar Limited  The first application identifier '01' is not included in the data.  When printing the HRI characters, the first application identifier '01' is printed as '(01)' before the packing identification code.  A check digit need not to be attached to the barcode data.  When printing the HRI character, a check digit is printed after a product code.  For GS1 Databar Limited, specify '0' or '1' for the first digit. GS1 DataBar Expanded  '()' is the delimiter for the application identifiers. (printed as the HRI character, but not encoded.)  Be sure to include all the application identifiers in the data.  When the first data is '01' after deleting application identifiers, left and right parenthesis, and '*' from the specified data, the 14th digit from the next of '01' is checked as a check digit. When it is not correct, an error occurs.  When the next data of '01' is fewer than 14 digits, a check digit is not checked. (Unlike GS1-128, the check digit is not automatically calculated, nor replaced with '*.' When '*' is specified, '*' is ignored, and the rest of the data is shifted by 1 digit.)  Specify the special character using the following format. Control Character ASCII HRI Character 3 FNC1 {1 Space is printed. Left parenthesis for the application identifier ( '(' is printed. Right parenthesis for the application identifier ) ')' is printed. '*' {* Error Skipped character * Not printed. '{' {{ '{' is printed. 127