User`s manual

9–53Epson FX Emulation
Set Bit 7 of Incoming Data Bytes to 1
ASCII Code ESC >
HEX Code 1B 3E
Purpose Sets the most significant bit (MSB) of all incoming data to 1.
Comment The MSB is bit number 7. This command only affects text and
control code data. Graphics data pass through unchanged.
Select Graphics Mode
ASCII Code ESC * m n1 n2
HEX Code 1B 2A m n1 n2
Purpose Turns on 8–pin bit image graphics mode m. Table 9–3 charts the
graphics modes available.
Comment The total number of columns = n1 + (n2 x 256).
Table 9–3. Epson Graphics Modes
Option
m
0
1
2
3
4
5
6
7
Alternate
Code
Density *
(dots per inch)
ESC K
ESC L
ESC Y
ESC Z
none
none
none
none
60
120
60
120
80
72
90
144
Single density
Double density
High–speed double density
Quadruple density
CRT I
Plotter (1:1)
CRT II
Double density plotter
Resolution **
(dots per inch)
120
120
120
240
160
144
180
144
1
1, 2, 3
1
2
1
Prints at half speed.
2
Data can be sent incorrectly. In these modes, no dots can be closer horizontally than
the current font dot density. Sending incorrect data does not damage the printer.
3
240 DPI is simulated by combining the dots from two adjacent columns into one
120 DPI dot column.
* Number of horizontal dots per inch the printer can make.
** Number of dot columns available.