Cashinotech CSN-A2 User Manual page 24

CSN-A2 Micro panel thermal printer
FS FS FS FS C C C C Start Checksum
Format:
Description： Start Checksum for ESC * command
FS FS FS S S S S
FS Check if ESC * command received correct
Format:
Description： If ESC * data checksum received correctly,it return(HEX):
0xDD,0x55,0x1A
Else it return(HEX):
0xDD,0x55,0x3E
ASCII: FS C
Decimal: 28 67
Hexadecimal: 1C 43
ASCII: FS S
Decimal: 28 83
Hexadecimal: 1C 53
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