Epson LQ-860 User Manual page 131

Following the specification of the range of characters to be defined
in this command are three data bytes, d0, dl, and
width of the character and the space around it. The left space (in dot
columns) is specified by
The second byte,
are printed to make up the character. By varying the width of the
character and the spaces around it, you can create proportional-
width characters that print at draft speed. The table below shows
the maximum values for these bytes.
Mode
Draft
Letter Quality 10 cpi
Letter Quality 12 cpi
Proportional
The last part of the command to define your characters is the actual
data that defines the dot patterns for each character. Because it takes
three bytes to specify all the dots in one vertical column, your
printer expects
Software and Graphics
4-24
and the right space is specified by
d0,
specifies the number of columns of dots that
dl,
x 3 bytes of data to follow
d1
d2,
d 0 + d 1 + d 2
d1
9
29
23
37
d2.
that specify the
d2.
12
36
30
42