Compuprint MDP 30FB Programmer's Manual page 80

Mode Horizontal
Density
0 60
1 120
2 120
3 240
8 60
9 120
11 180
12 360
data The graphic data is organized by byte.
For 8-wire modes, it is arranged and mapped to the wires identically to ESC K.
For 24-wire modes, the data has 3 bytes per slice, the most significant bit of the 1
byte mapping to the top wire and the least significant bit of the 3
the bottom wire. The slices are in sequence from left to right.
Wires Description
8 Same as ESC K graphic command
8 Same as ESC L graphic command
8 Same as ESC Y graphic command
8 Same as ESC Z graphic command
24 High resolution for ESC K
24 High resolution for ESC L
24
24
78
st
rd
byte mapping to