SATO SG112 ex Programming Reference Manual page 462

Timing Chart
1) Normal process
Power On
Printer
RD
Initializing ENQ
SD
Printer Status
2) Cancel process
Printer
RD ENQ
SD
Printer Status
STX . . . ETX (1)
ENQ
Status Status
Online
Receive/Analysis/Edit (1)
Printing (1)
The format of ENQ will be STX SOH ENQ "*****" ETX. (***** will be any item No. )
Avoid sending ENQ while sending the print data (STX <A> - <Z> ETX). By sending ENQ,
The status may not be returned or there may be print error.
ENQ
STX . . ETX (1)
Status Status
Receive/Analysis/Edit (1)
Printing (1)
The format of CAN will be STX SOH CAN "*****" ETX. (***** will be any item No. )
After sending CAN, please wait about 500 msec before sending the next data.
Avoid sending CAN while sending the print data (STX <A> - <Z> ETX). With the above condition, the job may not be canceled or
the item may not be printed correctly.
Buffer near full state Buffer near full release
STX . . . ETX (2)
ENQ
Status
Receive/Analysis/Edit (2)
ENQ
CAN
500 msec
Status
Online
461
Press the LINE key
STX . . . ETX (3)
ENQ ENQ
Status
Offline
Receive/Analysis/Edit (3)
Printing (2)
STX . . ETX (2) ENQ
Status
ENQ
Printing (2)
Press the LINE key
Status