Toshiba B-EP Series Interface Specification page 465

6.13.4 VERSION INFORMATION ACQUIRE COMMAND
Function Sends information such as the program version of the printer.
Format [ESC] WV [LF] [NUL]
Explanation (1) The format of the program version data to be returned to the host is as follows.
[IrDA: TEC Protocol]
STX
"0"
"4"
"A"
"P"
Creation date "R"
"2"
"0"
"0"
"8"
"B"
"-"
"E"
Model "P"
"2"
"D"
"G"
"V"
"1"
Version "."
"0"
"A"
CRC
CRC
CHAPTER 6 LABEL MODE (INTERFACE COMMANDS)
[ESC] WV
02H
30H
34H
41H
50H
Creation date of the program:
52H
9-byte data indicated in order of Day-
32H
Month-Year
30H
30H
38H
42H
2DH
45H
Model:
50H
7-byte ASCII code indicating the model
32H
B-EP2DG (2-inch/203-dpi model)
44H
B-EP4DG (4-inch/203-dpi model)
47H
56H
31H
Program version:
2EH
5-byte data: Vx.xx
30H
41H
xxH
xxH
6-84
B-EP Series
Revision
Version