CONFIDENTIAL
Paper roll Bit-image commands ESC
✻
Ver. 10.05 p. 181
[Description] Stores the bit image data in the print buffer using the mode specified by bit image mode m as follows:
• nL, nH specifies a bit image in the horizontal direction as (nL + nH × 256) dots.
• d specifies the bit image data (column format).
• k indicates the amount of bit image data. k is an explanation parameter; therefore it does not need to
be transmitted.
[Notes]
■ Data (d) specifies a bit printed to 1 and not printed to 0.
■ If the bit image data exceeds the number of dots to be printed on a line, the excess data is ignored.
■ The bit-image is not affected by print mode (emphasized, double-strike, underline, character size, white/
black reverse printing, or 90° clockwise-rotated), except for upside-down print mode.
■ After printing a bit image, the printer processes normal data.
■ When printing multiple line bit images, selecting unidirectional print mode with ESC U enables printing
patterns in which the top and bottom parts are aligned vertically.
■ This command is used to print a picture or logo.
■ The relationship between the bit image data and the print result is as follows.
m Bit image Mode
Number of bits for
vertical data Dot density in horizontal
0 8-dot single-density 8 Single-density
1 8-dot double-density 8 Double-density
32 24-dot single-density 24 Single-density
33 24-dot double-density 24 Double-density
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