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Select Font Row ESC F F f CR
This command selects the row value for the font tables. The parameter f can be set in the range of ‘0’ to ‘9’
Select Font Column ESC F K k CR
This command selects the column value for the font tables. The parameter k can be set in the range of ‘0’ to ‘9’
Select File Type ESC F L t CR
This command selects the file type to be uploaded. The parameter t has a range of values between ‘0’ to ‘9’. The default
value is ‘0’ which means “BDF” format.
Save Font File in Flash ESC F B CR
This command instructs the printer to program or burn font onto Flash memory.
The table below summarizes the font downloading commands supported by the Datamax-O’Neil printer along with the
printer’s expected LED status.
Escape Sequence: ESC F B CR
Hexadecimal: 1B 46 42 0D
Decimal: 27 70 66 13
Important Font Downloading Notes:
The file to be downloaded must be .BDF formatted.
When downloading, ensure that the metrics of the fonts to be downloaded are equal or smaller than the metrics of the
existing font in the location in question; otherwise the fonts will not be downloaded correctly.
The escape sequence ESC D F CR must be the first command after power up, otherwise the printer will print the
command instead of executing it. You can also use the commands ESC X X CR command to initialize the printer after
other escape commands have been used.
Once a font has been downloaded, press the FEED button twice to exit the downloading mode. Shut the printer OFF by
pressing the ON/OFF switch.
Each character’s header uses .DBF font and represents the true size of the font bitmap.
Example1: For a 16x23 font, the header at the beginning of each character must appear as follows:
BBX 16 23 0 0
Example 2: For a 10 x 23 font, the header at the beginning of each character must appear as:
BBX 10 23 0 0
If the font to be downloaded is one byte in size (8 x 23), the .BDF file must be one byte only in size. Otherwise the
firmware will not accept the font!