Specifications

7-114 Chapter 7: Programming Guide
Bar Code Commands
These commands format and print bar codes and are described in
order of their hexadecimal codes.
Note: 7156
firmware can be set for module widths in bar codes ranging
from 2 dots to 4 dots per module (DPM) for the narrow modules. The
default is 3 DPM.
7158
firmware ranges from 1 dot per module to 5 dots per module
(DPM) printed on the receipt. The default is 2 DPM.
Select Printing Position for HRI Characters
ASCII: GS H n
Hexadecimal: 1D 48 n
Decimal: 29 72 n
Value of n: Printing position
0 = Not printed
1 = Above the bar code
2 = Below the bar code
3 = Both above and below the bar code
Default: 0 (Not printed)
Prints HRI (Human Readable Interface) characters above or below the
bar code.