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Chapter 2 Half-Dot Mode (Double Density)
Half-Dot Mode (Double Density)
The Half-Dot Mode causes the printer to print at 120 DPI horizontally (the
standard print density is 60 DPI). Printing at 120 dpi results in darker printing
and reduces the stairstep effect of diagonal lines. It is most often used to
improve barcode readability. The Half-Do Mode can be toggled ON and OFF
within a Graphics Pass using the command:
Command ^KF<data>^KF
Arguments
^KF Toggles Half-Dot Mode ON.
<data> Data to be printed in Half-Dot Mode.
^KF Toggles Half-Dot Mode OFF.
Example: Half-Dot characters can be mixed with regular characters. The
Graphics Pass ^M0303000^KFHALF-^KFDOT MODE^- prints:
^KF Turns ON Half-Dot Mode.
HALF Data to be printed in Half-Dot Mode.
^KF Turns OFF Half-Dot Mode.
DOT MODE Data to be printed in regular density.
Half-Dot Mode And Half-Tones
Half-Dot mode (Double Density) can be intermixed with half-tones to produce
a greater variety of shades.
Example: The Graphics Passes ^M0303000^KLEAGRAPHIC^KH^
^M0303040^KH^KFOPTION^KF^KH^- prints:
• First Graphic Pass - ^M0303000^KLEAGRAPHIC^KH^
^KL Turns ON Half-Tone Mode.
EA Selects EA half-tone pattern.
GRAPHIC Data printed in the selected pattern.
^KH Turns OFF Half-Tone Mode.