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7
Chapter 7 Print Control Codes
56
Bit Function
Value
01
0 Character Font Font A Font B
1 Not defined
2 Not defined
3 Bold Clear Specify
4
Vertical double
Clear Specify
enlargement
5
Horizontal double
Clear Specify
enlargement
6 Not defined
7 Underline Clear Specify
• If both vertical and horizontal double enlargement are specified at the same time,
quadruple enlargement characters can be configured.
• Underlines are applied to all the characters printed, but portions skipped with a
horizontal tab (HT) and portions with characters which are rotated 90 degrees to
the right are not underlined.
• The underline width is the width set in ESC _ with no relation to the character size.
• Mixed printing with double enlarged characters, and with characters of different
sizes, is possible.
• Character sizes can also be specified by GS !, but the command that is set last is the
one that is valid.
• The initial value is “n = 0”.
(11) Specifying the print mode all at once (ESC ! n)
Code: [1B] h + [21] h + n
* (0 ≤ n ≤ FF) Data are expressed in Hex code.
This command specifies the print mode.
• Each bit of n is as shown in the following table.