Citizen iDP-3550 User Manual page 87

ESC "&"<O> n1 n2 [m0 m1 m2 m3 m4 m5 m6 m7 m8 m9] n2 - n1 + 1
[Function] Defining the download character set
[Code] <1B>H <26>H <00>H n1 n2 [m0 m1 ... m5 m6 m7 m8 m9] n2 - n1 + 1
[Range] 32 n1 n2 255, m0 = 0 or m0 = 128
[Outline] This command defines the download characters. n1 is a character code to start definition and
n2 is to end definition, respectively. When defining only one character, set n1 = n2. You can
define the ASCII codes ranging from 32 to 255.
The horizontally adjacent dots cannot be printed. Once the download bit image is defined, it
remains valid until it is redefined or the download deletion command(ESC DC2 n1 n2) is
executed.
Horizontal adjacent dots cannot be printed.