SATO GT424 Operator's Manual page 96

Section 5: Interface Specifications
5.13 DRIVER PROTOCOL (CONT'D)
Timing Chart — Error Processing
Pow er O N
P rinter side
E N Q
Initial
R D
S tatus
S D
P rinter status
Timing Chart — Pause and Restart Processing
P ower O N
P rinter side
EN Q
R D
S tatus
S D
P rinter s tatus
Page 5-14
P aper E nd
S T X · · E TX (1)
E N Q
A C K S tatus
Online
R ec eive , an aly ze , edit (1)
P rint (1)
P aper E nd
S T X · · E T X (1)
A C K
Re ce iv e, an aly ze , e dit (1)
P rint (1)
H ead Open H ead C losed
E NQ E N Q
S tatus S tatus
Offline
H ead O pen
D L1 D C 1
A C K A C K
O nline
P ressing S tart / S top key
EN Q E NQ
S tatus AC K
H ead C losed P res s ing S tart / S top key
E N Q C AN
S tatus A C K
P rint (1)
GT Series Operator's Manual
E N
P rint (1)
E NQ