SATO SG112 ex Programming Reference Manual page 459

Timing chart of single item receive
1) Normal process
Power On
Initializing
Printer
SD
RD
Printer Status
2) Error process
Printer
SD
RD
Printer Status
XON XON
500 msec
STX.ETX (1)
Online
Receive/Analysis/Edit (1)
Note: the printer will be polled by XON at intervals of 500 msec from the initializing to the first data reception.
Head open Head close Press the LINE key
XOFF XON
STX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETX (1)
Offline
Receive/Analysis/Edit (1)
* When the paper end error occurs, open the head, set label, close the head and feed.
Note: (1) The paper end error will be released when the head is closed.
(2) XOFF will be sent when data is received during an error.
Press the LINE key
N XOFF
XOFF XO
Printing (1)
Paper end error
XOFF
Online
Printing (1)
458
Press the LINE key
XON
XOFF
STX.ETX (2)
Online
Offline
Receive/Analysis/Edit (2)
Press the LINE key
XON
Offline Online
*
Printing (2)
Printing (2)