To determine the data for a typical spiral dither pattern like the one shown in figure a, multiply the threshold value by 16 and add 8; the results are the values shown in figure b. The data is then sent in the order shown in figure c.

3. Set color correction (ESC M)

Color correction adjusts the colors to match those available on your output device.

The color produced by different output devices varies depending on the method used to express color. You can use this command to correct colors to match various output devices.

The following output devices can be selected with this command.

Dot-matrix impact printers Use for color impact printing.

Thermal printers

Use for color thermal printing.

Ink-jet printers

Use for color ink-jet printing.

2-16Command Usage