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Section 5: Interface Specifications
GT Series Operator’s Manual Page 5-13
5.13 DRIVER PROTOCOL (CONT’D)
T
iming Chart — Normal Processing
T
iming Chart — Cancel Processing
Power ON
Printer side
RD
SD
Printer status
Initial
Online
Receive, analyze, edit (1)
Print (1)
Print (
3
)
Receiving buffer near full
Press
ing
Start / Stop
STX
·
·
ETX
(
1
)
ENQ
Status
Receiving buffer near full cleared
STX
·
·
ETX
(
2
)
STX
·
·
ETX
(
3
)
STX
·
·
ETX
(
4
)
ENQ
ENQ
ACK
ACK
ACK
AC
Status
Status
Receive, analyze, edit (2)
Receive, analyze, edit (
4)
Power ON
Printer side
RD
SD
Printer status
Online
Receive, analyze, edit (1)
Print (1)
P
STX
·
·
ETX
(
1
)
ENQ
Status
STX
·
·
ETX
(
2
)
STX
·
·
ETX
(
3
)
ENQ
EN
ACK
ACK
ACK
ACK
Status
Receive, analyze, edit (2)
Receive, analyze, edit (3)
CAN