Code 128 (EAN 128) | Barcodes |
UPC-E
The
Example
012345000065 without zero suppression
01234565 with zero suppression
All digits except the system identifier and check character are printed in plain text.The symbol layout is
A check digit is required. (Check digit calculation is performed modulo 10, with a weighting of 3, as in
The code can be printed in the three sizes SC3, SC6 and SC9. The height of the symbol is variable but should be programmed to approximately match the width of the symbol.
The blank zone before and after the barcode symbol should be at least 0.1287 inch for SC3, at least 0.1755 inch for SC6, and at least 0.234 for SC9.
UPC-A and UPC-E Add-on
The check digit calculation ignores the
Code 128 (EAN 128)
The Code 128 has a character set of 128 ASCII characters, four control characters (FNC1, FNC2, FNC3, FNC4) and four special characters (CODE A, CODE B, CODE C, SHIFT). The number of characters is variable. The three start characters, the stop character and the special characters are automatically generated by the printer to optimize the information density.
Programmer Reference Guide |