CHAPTER 3 INTERFACE
B-EP Series
3-27
• When the Mode Select Command is sent.
• When an EOT or other command data is not sent, after the mode select command packet is sent,
the printer sends an ACK in 1 second after the mode select process is completed.
*1: Example of command in a command packet is shown below.
Since the mode select command packet mode cannot identify the issue mode currently set in
the printer, either of command packets below can be sent.
1 When a command packet includes mode select command (mode = 0)
(The command packet in the LABEL mode, of which length is designated in 1 byte)
[02H]
[00H][00H] [06H] [1BH]M;0[0AH][00H] [D0H][CCH]
2 When a command packet includes mode select command (mode = 1)
(The command packet in the LABEL mode, of which length is designated in 1 byte)
[02H][00H][00H][06H][1BH]M;1[0AH][00H][FFH][96H]
Printer
A link request is detected.
A link is established.
Within 40 msec.
Host
PAD
NAK
Normal reception (CRC OK)
Mode select command packet (*1)
EOT
Start of mode selection process
End of mode selection process
ACK for the command process end
is transmitted.
CK
CK
A link request is transmitted
every 50 msec. if the printer
sends no NAK.
Within 1 sec.
Within 1 sec.
Within 200 msec.
CRC
Command
Length
Printer ID
STX
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