SATO CL4NX Programming Reference Manual page 603

3. When device moves away from printer while receiving
The printer discards transmission data
Device
Transmission
process
Reception
process
"NG"
NG(0x4E, 0x47) is
returned from API
Touch with NFC
Data is sent by 64 bytes each
～ ～
Last data
"OK"
Data is sent in 64 bytes each
～ ～
Move NFC device away
595
Printer
～ ～
Returns OK(0x4F 0x4B). Beeps
once.
～ ～
The data received to this
point will be discarded
There will be no beep sound
since communication is
successfully ended between
printer and NFC. The error is
inter-NFC communication
error.