SATO CL4NX Programming Reference Manual page 496

[Note]
In order to obtain return status from the printer, insert the time interval of sending and receiving after sending each
command to the printer.
Command Command name
ENQ (05H) Status request
CAN (18H) Cancel request
DLE (10H) Print pause request
DC1 (11H) Print resume request
(1) ENQ (Status request)
(2) CAN (Cancel request)
The values stated above are reference of waiting time until the printer confirms the ACK return. Actual value varies depending on the type
of interface, settings and the conditions.
Guideline of send and receive time interval of cancel request at buffer near full is more than 900 msec.
Time interval of sending and receiving
(performance)
5 msec or more
* In case of wireless LAN, 300 msec or more
500 msec or more
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