Zebra CPCL Specifications download pdf (Page 51)

100

101

Mobile Printing Systems

CPCL Programming Manual

Section 5

Linear Bar

Codes

pg. 5-7

Refer to the full bar code symbology specification for complete information on checksum calculation.

For a short example, take an example bar code with the data “CODE 39” .

Step 1: Assign a value to each character per the Character Numerical Value Table above . C=12, O=24,

D=13, E=14, space = 38, 3=3, 9=9.

Step 2: Add the values 12+24+13+14+38+3+9=113.

Step 3: Divide this number by 43. The remainder or modulo, 27, is the checksum.

Step 4: Referring to the table, 27 is the character R. Therefore, the checksum in the bar code should be

R. The final code reads “CODE 39R” when it is decoded.

Code 39 (3 of 9) Specications

Bar Code

Symbology

Bar Code

Type

Input Length Characters

Ideal Wide/

Narrow

Ratio

Ideal Narow

Dot Width

Checksum

Calculation

Code 39

39 Variable Refer text 2.5:1 2 none

39C Variable Refer text 2.5:1 2 mod 43

F39 Variable Refer text 2.5:1 2 none

F39C Variable Refer text 2.5:1 2 mod 43

continued

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