Epson 4100 Start CHARACTERS, Stop CHARACTERS, and Guard Bars, Summary of Required Barcode Data

Operator's Guide E-17

START CHARACTERS, STOP CHARACTERS, AND GUARD BARS

You do not need to supply start and stop characters, or guard bars (for UPC and EAN codes) with the barcode. They are automatically appended by the printer.

SUMMARY OF REQUIRED BARCODE DATA

The table below summarizes the data the printer must receive for each barcode symbol. A "• " indicates required data. An asterisk (*) indicates optional data. A blank space indicates the data are automatically calculated and appended, or are not applicable for that barcode style.

		No.	Country	No. of			Total
Barcode	Start	System	Flag	Significant	Stop	Check	No. of
Style	Char.	Char.	Char.	Char.	Char.	Digit	Char.
Code 39				*		*	*
Interleaved
2 of 5				*		*	*
(see note)
Codabar	•			*		*	*
Styles 9-12		•
UPC-A				10		•	12
UPC-E				10			10
EAN-8		•	•	8		•	8
EAN-13				10			13
PostNet				*		•	*

Note: For Interleaved 2 of 5 barcode symbols, if an even number of characters is not sent, the printer appends a leading zero.