SATO CL4NX Programming Reference Manual page 528

3) Error process
Printer
RD
SD
Printer Status
* 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.
4) Print pause, print resume process
Printer
RD
SD
Printer Status
The format of DLE will be STX SOH DLE ETX.
The format of DC1 will be STX SOH DC1 ETX.
Paper end error
STX...ETX (1)
ENQ
Online
Printing (1)
STX...ETX (1)
Status
Printing (1)
Head open Head close
ENQ
ENQ
Offline
*
Status
Online
520
Press the LINE button
ENQ
Online
Printing (1)
Status
100 msec
Printing (2)