7167 Owner’s Manual Chapter 6: Commands
November 2003
242
Data transmitted with this command is controlled by the ESC/POS handshaking protocol. The
ESC/POS handshaking protocol is defined as the protocol that the printer receives as a response
from the host; then it performs the following process corresponding to the response.
When the identification status is: Hexadecimal = 41H, 43H / Decimal = 65, 67.
Response
ASCII HEX Decimal Process Performed
ACK 06H 6 Transmits the next data block
NAK 15H 21 Transmits the previous data block again
CAN 18H 24 Cancels the process
When the identification status is: Hexadecimal = 40H, 42H / Decimal = 64, 66
Response
ASCII HEX Decimal Process Performed
ACK 06H 6 Ends the process
NAK 15H 21 Transmits the previous data block again
CAN 18H 24 Cancels the process
Notes:
• While transmitting block data, the printer does not process a real-time command or send ASB
status. Therefore it is not possible to determine the printer status while transmitting data.
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