Citizen BD2-1220 Command Reference Manual page 25

[Example]
[Sample Program]
12dot
p1 p4
p2
24dot p5
p3 p6
Font A
Create each data bit by setting "1" for a printed dot and "0" for
an unprinted dot.
Refer to Sample Program and Print Results for ESC %.
— 23 —
p34
MSB
p35 24dot
p36
LSB
9dot
p1 p4 p25
p2
p5 p26
p3 p6 p27
Font B
MSB
LSB