Star Micronics Line Thermal Printer - Manual (Page 143)

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STAR Line Mode Command Specifications 5-2
5.1.3. JAN/EAN/UPC
Used numbers, not only the bar code symbols, are controlled using JAN, EAN and UPC as shared common commercial
codes. Mainly, they are used for supermarkets such as shops and grocery stores.
1. Each mode and bar code width
Items Mode 1 Mode 2 Mode 3
Module Width 2 dots 3 dots 4 dots
Bar code width (*) JAN/EAN-8 16.75 mm 25.125 mm 33.5 mm
JAN/EAN-13 23.75 mm 35.625 mm 47.5 mm
UPC-A 23.75 mm 35.625 mm 47.5 mm
UPC-E 12.75 mm 19.125 mm 25.5 mm
(*) Includes the guard bar (left/right/center) but not the white space.
2. Regulations
• JAN/EAN -8:
Data is in 7 or 8 digits. The command is ignored for others.
The check digit uses a modulus weight of 10/3 and is automatically applied.
When the calculated value and the numerical value of the 8
th digit differ, the calculated value has priority.
• JAN/EAN -13:
Data is in 12 or 13 digits. The command is ignored for others.
The check digit uses a modulus weight of 10/3 and is automatically applied.
When the calculated value and the numerical value of the 13
th digit differ, the calculated value has priority.
• UPC – A:
Data is in 11 or 12 digits. The command is ignored for others.
The check digit uses a modulus weight of 10/3 and is automatically applied.
When the calculated value and the numerical value of the 12
th digit differ, the calculated value has priority.
• UPC – E:
Data is in 11 or 12 digits. The command is ignored for others.
The check digit uses a modulus weight of 10/3 and is automatically applied.
When the calculated value and the numerical value of the 12
th digit differ, the calculated value has priority.
Data conversion to rectangles is automatic.
Data that cannot be shortened is processed as invalid data.