The desired barcode may not print if the number of characters specified by n1, n2 does not match the required number for the desired barcode type.

Example:

<x

1B5B66 - barcode setup command prefix

0600 - setup data length (low byte first) - x0006, 6

B2 - barcode type = EAN-13

00 - module width = default

00 - space width adjustment = default

3002 - height (low byte first) - x0230 = 0.259 inches

00- control byte: check digit by host, print human readable character, center flag character

1B5B70 - barcode data transfer command prefix

0500 - data transfer length (low byte first) - x0005, 5

>45678 ...

The desired barcode type is EAN-13 (B2). The check digit is generated by the host/software (b0=0). This means there must be 13 data characters in the Data Transfer Command. Five characters are defined in the data trans- fer command; this conflicts with the required number of 13.

Section 8: Barcodes

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