12
ESC ! n
[Name]
[Format]
[Range]
[Description]
[Notes]
[Default]
[Reference]
Select print mode
ASCII ESC ! n
Hex 1B 21 n
Decimal 27 33 n
0 ≤ n ≤ 255
Selects print mode(s) with n as follows:
Bit 1/0 Hex Decimal Function
0 00 0 Standard ASCII characters 0
1 01 1 Compressed ASCII characters
1,2 Undefined.
0 00 0 Emphasized mode not selected 3
1 08 8 Emphasized mode selected
0 00 0 Double-height mode not selected 4
1 10 16 Double-height mode selected
0 00 0 Double-width mode not selected 5
1 20 32 Double-width mode selected
6 Undefined
0 00 0 Underline mode not selected 7
1 80 128 Underline mode selected
When both double-height and double-width modes are selected, quadruple size
characters are printed.
The printer can underline all characters, but cannot underline the space set by HT or
90° clockwise-rotated characters.
The thickness of the underline is that selected by ESC -.
When some characters in a line are double or more height, all the characters on the
line are aligned at the baseline.
ESC E can also turn on or off emphasized mode. However, the last received
command is effective.
ESC - can also turn on or off underline mode. However, the setting of the last received
command is effective.
GS ! can also select character size. However, the last received command is effective.
n = 0
ESC -, ESC E, GS !
