Specifications

Programmer's Guide POSjet
®
1500 Codes and Commands
Nov-10 Rev N Page 155
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
1 01 ------01 Center
2 02 ------10 Right
--xx---- HRI characters
0 00 --00---- Not printed
16 16 --01---- Printed above the bar code
32 32 --10---- Printed below the bar code
48 48 --11---- Printed above and below the bar code
-x------ Vertical print mode. (Page mode may work better)
0 00 -0------ Bar code printed in horizontal
direction (default)
64 64 -100---- Bar code printed in vertical direction
Note 1 The [ESC] [EM] J <n> command only affects bar code printing.
Note 2 HRI is not available in vertical print mode. You may print normal barcodes in page mode and you
will get HRI and significantly longer barcodes.