The desired barcode may not print if invalid characters are specified in the data transfer command.

Example:

<x

 

 

 

1B5B66

- barcode setup command prefix

0600

-

setup data length (low byte first) -

 

 

x0006,

6

B9

- barcode type = POSTNET

00

- module width = default

00

-

space width adjustment = default

0E01

-

height (low byte first) - x010E =

 

 

0.125 inches

00

-

control byte

1B5B70

-

barcode data transfer command prefix

0500

-

data transfer length (low byte first)

 

 

- x0005, 5

>012a5 ...

 

 

 

Since the desired barcode is POSTNET (B9), the letter ’a’ is not a valid character. The numbers ’0’-’9’are the only valid characters for POSTNET.

180 Section 8: Barcodes

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Image 180
Lexmark 249X, 248X manual X0005