Toshiba B-EP Series Interface Specification page 44

• ID set command (normal transmission)
A link request is transmitted
every 50 msec. if the printer
sends no NAK.
Within 1 sec.
Within 1 sec.
*1: Explanation of a command packet (when the length is designated in 1 byte.)
To send [ESC] ID; [03H] [51H] [LF] [NUL].
[02H] [00H][00H] [08H] [1BH]ID;[03H][51H][0AH][00H] [F7H][8AH]
Host
PAD
Command packet (*1)
EOT
Printer
A link request is detected.
A link is established.
NAK
Within 40 msec.
Normal reception (CRC OK)
ACK
Within 200 msec.
ACK
ACK for the command process end is
transmitted.
3-13
CHAPTER 3 INTERFACE
B-EP Series
Start of data process
End of data storage
CRC
Command
Length
Printer ID
STX