EFP9800 ESC/POS Commands

A line feed is automatically performed any time the number of characters is greater than the specified width of the page (assuming no commands including a line feed are present). This moves the print starting position to the next line.

Increase the amount of line feeding for any lines that match the following circumstances: the line that follows a line with default line spacing (1/6 inch— 12 vertical dots) contains double-high or quadruple-size characters or bit images that are two or more lines. If the line spacing is not increased, the higher order dots of the character or bit image will overlap with the previous line.

Note: Do not print double-high characters on the first line of the printable area. Perform a line feed to print the characters on the second line.

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Unisys manual EFP9800 ESC/POS Commands