How do I print a space, carriage return, tab or function key using barcode?
Space For Code 128, look at the Code 128 table The value under Code A that says “SP” is a space. The ASCII value is 32 For Code 39, try using the tilde (“~”) instead of a normal space. Some fonts also define a space character with an underscore (“_”) or an exclamation mark (“!”). You can also try setting the true type fonts as graphics in the printer driver settings. This will will print a space as a barcode space, and not as white space. Remember, if you are using a code 39 type font, you’ll need to put an “*” at the beginning and end of the data. That’s because the “*” is the start and stop character for code 39. Carriage return and Tab For Code 128, look at the Code 128 table The value under Code A that says “CR” is a carriage return. The ASCII value is 109. The value under Code A that says “HT” is a horizontal tab. The ASCII value is 105 Code 39 has no carriage return or tab. If your barcode scanner is a programmable keyboard wedge, you can usually program the wedge to add a carria
