Specifications

P25 Development Guide
www.bluebamboo.com
ESC !
[Name] Select print mode.
[Format] ASCII ESC ! n
HEX 1B 21 n
Decimal 27 33 n
[Range] 0 ≤ n ≤ 255
[Description] Select print mode(s) using n as follows.
Bit Off/On Value Function
0
Select 32 dot font (24
char/per line)
eg. 1B 21 00
0
-- 1
Select 24 dot font (36
char/per line)
eg. 1B 21 01
1 -- -- undefined
2 -- -- undefined
3 -- -- undefined
off 0
Double-height mode not
selected
4
on 1
Double-height mode
selected
off 0
Double-width mode not
selected
5
on 1 Double-width mode selected
6 -- -- undefined
off 0
Underline mode not
selected
7
on 1 Underline mode selected
[Note]
1. When both the double-height and double-width modes are selected, quadruple size
characters will be printed.
2. The printer can underline all characters, but cannot underline the space set by HT.
3.
The thickness of the underline is that selected by ESC –, regardless of the character
size.
4.
ESC – can also turn on or off underline mode. However, the setting of the last
received command is effective.