Epson FX-286 User Manual page 197

ESC =
Format:
ASCII code:
Decimal :
Hexadecimal :
Comments:
If C is the total number of characters to be defined,
B = (C x
13) + 2
n1 = B MOD
1-2 = INT(B /
n3 =
all cases
20 in
n4 = the code of the first character to be defined
n5 = 0 if the top eight pins are to be used;
eight
n6 = 0 in all cases
n7 through nk are the data numbers that define the characters, with
11 data numbers for each character.
The data numbers for each character are determined as shown on
the grid below:
To print a user-defined character, you must use ESCape I, which is
described in this appendix.
IBM only
l
=
ESC
27 61
3D
1B
256
256)
Determining data numbers
Define User-defined Characters
(n1) (n2)
(n1) (n2)
(n1) (n2)
=
n5 128
(nk)
...
... (nk)
... (nk)
for the bottom
J-23