Epson FX-870 User Manual page 163

IBM Commands Arranged by Topic
ASCII
ESC L nl n2 76
ESC Y nl 1~2 89
ESC Z nl n2 90
8-20 Command Summary
Dec. Hex. Description
4C
59
5A
Select Double-Density Graphics Mode
n: Total columns for graphics
data = n bytes of graphics data
Select High-Speed Double-Density
Graphics Mode
ESC L nl n2 data
n = nl + n2 x 256
n: Total columns for graphics
data = n bytes of graphics data
Select Quadruple-Density Graphics
Mode
ESC Z nl n2 data
n: Total columns of graphics
data = n bytes of graphics data