Toshiba B-EP Series Interface Specification page 467

6.13.5 PRINTER SERIAL NUMBER ACQUIRE COMMAND
Function Sends the printer serial number to the host.
Format [ESC] WY [LF] [NUL]
Explanation
(1) The format of the printer serial No. to be returned to the host is as follows.
[IrDA: TEC Protocol]
[IrDA: IrCOMM, IrDA: IrOBEX, USB, RS-232C, Bluetooth, or wireless LAN]
When the printer serial No. is "2308M000001":
[32H][33H][30H][38H][4DH][30H][30H][30H][30H][30H][31H][00H][00H][00H][00H][00H]
2 3 0 8
[00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H][00H]
* The remaining bytes of 32 bytes are filled with 00H.
Example [ESC] WY [LF] [NUL]
STX Printer serial No.
02H 32 bytes
SOH Printer serial No.
02H 32 bytes
M 0 0 0
CHAPTER 6 LABEL MODE (INTERFACE COMMANDS)
CRC
XXH
0 0 1
6-86
[ESC] WY
CRC
XXH
B-EP Series