IBM 4400 manual Select Graphics Mode

Select Graphics Mode

Select Graphics Mode

ASCII Code ESC * m n1 n2

Hex Code 1B 2A m n1 n2

Dec Code 27 42 m n1 n2

Purpose Turns on 8-pin bit image graphics mode m. Table 42 charts the graphics modes available.

Comment The total number of columns = (n1 + 256n2).

NOTE: This command does not suppress hexadecimal FF from printing.

Table 42. Epson Graphics Modes

m	Option	Alternate	Density*	Resolution**
		Code	(dots per inch)	(dots per inch)
0	Single density	ESC K	60	120
1	Double density	ESC L	120	120
2	High-speed double density	ESC Y	60	1201
3	Quadruple density	ESC Z	120	2401,2
4	CRT I	none	80	160
5	Plotter (1:1)	none	72	144
6	CRT II	none	90	180
7	Double density plotter	none	144	144

1 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.

2 240 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.

185