Epson GT-6500 EN - Manual (Page 103)

Contents of the ESC F (status) data block
Order of
byte Data (in
hex) Contents Explanation
1 02 STX code Header: indicates the
beginning of the data block
2 xx Status Status byte: indicates the
status of the scanner
3 00 0 bytes Byte counter: indicates the
number of bytes of data (The
null value indicates that no
data follows)
4 00
Note:
The numerical value of the byte counter consists of two bytes, and the
lower byte precedes the higher byte.
Command Reference 3-9