Epic 3000
Programmer’s Guide
Programming Codes
100-14362
Rev A
Page 159
Legacy Commands
Function
Set bar code height
ASCII
[ESC] [EM] B <n>
Hexadecimal
1BH 19H 42H <n>
Decimal
<27> <25> <66> <n>
IPCL
&%BH <m>
Description
The [ESC] [EM] B <n> command sets the bar code height where <n>*24
are the number dots. The default is n = 4, and results in a barcode that is about 0.47
inches high.
Function
Set bar code width
ASCII
[ESC] [EM] W <n>
Hexadecimal
1BH 19H 57H <n>
Decimal
<27> <25> <87> <n>
IPCL
&%BW <m>
Description
The [ESC] [EM] w <n> command sets the minimum bar width. The value
may be between 1 and 8. The default is 3.
Note:
A value of 1 may result in barcodes that are unreadable with some
readers.
An alternate version of this command is available for Interleaved 2 of 5 barcodes.
Interleave 2 of 5sometimes require that the bar ratios be altered for unconventional
barcode readers.
ASCII
[ESC] [EM] W <0><narrow><wide>
Hexadecimal
1BH 19H 57H <0><narrow><wide>
Decimal
<27> <25> <87> <0><narrow><wide>
Description
The [ESC] [EM] w <0><narrow><wide> only affects the 2 of 5 barcode
and sets the narrow bar width to <narrow> dots and the wide bar width to
<wide> dots. If this command is used, the scale is set to 1 and the
narrow and wide setting provide the scale. No error checking is
performed when setting these values and invalid barcodes can be
generated.
Function
Set bar code justification, human readable interpretation (HRI)
character print mode, and print direction
ASCII
[ESC] [EM] J <n>
Hexadecimal
1BH 19H 4AH <n>
Decimal
<27> <25> <74> <n>
IPCL
&%BJ <m
1
> <m
2
>
EPOS
none
The power on default is center justified with HRI characters not printed.
Description
The [ESC] [EM] J <n> command selects the operation of the bar code
justification, HRI characters, and print direction.
Where n bits n
IPCL
76543210
------xx
Justified
0
00
------00
Left
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