SATO CL4NX Programming Reference Manual page 751

Transmission
process
Parent topic Pass-through mode
Device
Touch with NFC
Data is sent in 64 bytes each
Last data
" NG_UNCOMPRESS(CANNOT MALLOC)"
or
" NG_UNCOMPRESS(SIZE OVER)"
Printer
UNCOMPRESS error
Returns
" NG_UNCOMPRESS(CANNOT MALLOC)"
(0x4E 0x47 0x5F 0x55 0x4E 0x43 0x4F 0x4D
0x50 0x52 0x45 0x53 0x53 0x28 0x43 0x41
0x4E 0x4E 0x4F 0x54 0x20 0x4D 0x41 0x4C
0x4C 0x4F 0x43 0x29)
or
" NG_UNCOMPRESS(SIZE OVER)"
(0x4E 0x47 0x5F 0x55 0x4E 0x43 0x4F 0x4D
0x50 0x52 0x45 0x53 0x53 0x28 0x53 0x49
0x5A 0x45 0x20 0x4F 0x56 0x45 0x52 0x29)
Beeps 3 times.
749