A795 User Guide: Programming Supplement
Chapter 4: Programming commands
63
Graphics
These commands are used to enter and print graphics data and are described in order of their
hexadecimal codes.
These commands describe operation for 80 mm paper. If the printer supports 82.5 mm paper, the
dot spacing is the same but there are 640 printable dots rather than 576 printable dots on 80 mm
paper.
Download BMP logo
ASCII:
ESC (+*.BMP file)
Hexadecimal:
1B (+*.BMP file)
Decimal:
27 66 77(+*.BMP file)
Value:
Maximum width = 576 (640 for 82.5 mm
paper)
Maximum height = 512
Enters a downloaded BMP logo into RAM or flash.
The downloaded BMP logo can be printed by using the
print downloaded bit image (1D 2F m) command.
To downloaded BMP file to save it as a logo, send the
hexadecimal code 1B followed by the whole BMP file.
The printer decodes the BMP file header and will save the
image data after checking important parameters, such as:
- Width,
- Height,
- Number of colors
(only monochrome images are accepted)
BMPs and bit images continue to be definable only for the
receipt station. However, there is no longer an automatic
erasure whenever the user downloads a character set (as
happened previously) as well as in the case where the
current logo was never set > 0, (the automatic erasure if
user flash memory had filled up with inactive logo 0
definitions upon next power cycle). Warnings about the
effect of running out of defined logo space during a
download apply (i.e. the command is ignored). The
application is required to manage user data space,
downloaded font space, and logo space.
Exceptions
BMP file images that are not monochrome are ignored.
Related information
Microsoft BMP bitmap file format.
This command is recognized only in A795 native mode.
In A793 and TM-T88 emulations, the BMP file bytes are
put into the print buffer.
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