Brother PT-P900 Reference Manual page 46

^SS Separation symbol designation
Command mode
Usage
Data length
Data
^FF Printing start
Command mode
Usage
Data length
Data
More details of commands or other "P-touch Template command", refer to "P-touch Template manual" of the
each label printer.
P-touch Template
Set data and separation symbol at the time of data filling
time
5 bytes + Separator
5Eh 53h 53h n1 n2 data
(n1*10) +n2: String length (1-20)
Data: String (Max. 20 characters)
P-touch Template
Printing start
3 bytes
5Eh 46h 46h
44
MELSEC iQ-F Brother Label Printer Sample Program Reference Manual