R: ucc/ean code128 k-mart non edi, S: ucc/ean code 128 random weight, Valid characters: 0-9 – Datamax-O'Neil Class Series Programmer’s Manual User Manual
Page 203: Length: 18 digits, The following example prints a kmart bar code, Length: at least 34 digits

Appendix G – Barcode Details
Class Series Programmer’s Manual
189
R:
UCC/EAN Code128 K-MART NON EDI
Valid Characters: 0-9
Length: 18 digits
Valid bar widths: The fourth character of record is the width of the narrow bar in dots. All other bars
are a ratio of the narrow bar (2 times, 3 times, and 4 times the narrow bar width). Human readable
characters for this bar code symbology are printed above the symbol. (See W1R for an alternate.)
This bar code is set up according to K-MART specifications.
The following example prints a KMART bar code.
D11
1R0000000150100012345678901234567
121100000000100Barcode R
E
S:
UCC/EAN Code 128 Random Weight
Valid Characters: 0-9
Length: At least 34 digits.
Valid bar widths: The fourth character of record is the width of the narrow bar in dots. All other bars
are a ratio of the narrow bar (2 times, 3 times, and 4 times the narrow bar width).
This bar code is commonly used by the food and grocery industry.
The following example prints a UCC/EAN Code 128 Random Weight bar code:
D11
1S000000015005001100736750292601193042032020018002110123456
121100000000100Barcode S
E
Barcode S