Select Graphics Mode (ESC *)
1B 2A MM N1 N2
This control selects the graphics mode MM from the table below. The total number
of columns equals N1 + (N2 ×256).
Option Alternate
Code MM
Horizontal
Density
(dots/in.)
Single-Density ESC K 0 60
Double-Density ESC L 1 120
High-Speed Double-Density * ESC Y 2 120
Quadruple-Density * ESC Z 3 240
CRT I NONE 4 80
Plotter (1:1) NONE 5 72
CRT II NONE 6 90
Double-Density Plotter NONE 7 144
Note: (*)Adjacent dots cannot be printed in this mode
Auto Underscore (ESC –)
1B 2D NN
This control turns on and off the continuous underscore function.
If NN is an odd value (1, 3, 5 ...), the printer underscores all text characters and
spaces following this sequence. The printer does not underscore white space
caused by horizontal tabs.
If NN is an even value (0, 2, 4 ...), the printers stops the underscore of all data
following this sequence.
Select Vertical Tab Channel (ESC /)
1B 2F CH
This control selects the vertical tab channel. The values for CH are 0 to 7. The
channel selected by this control is used for all subsequent vertical tab commands.
Channel 0 is used if no channel has been selected.
Set 1/8 Inch Line Spacing (ESC 0)
1B 30
This control sets the line spacing to eight lines per inch.
The application program is responsible for keeping track of the vertical position on
the current page relative to the current line spacing. Changing the line spacing
within a print job without changing the page length can cause printing on the page
perforation. For additional information, see “Set Page Length (ESC C)” on
page 233.
230 4247 Printer ModelA00 User’s Guide