Epson GT-6500 EN - Manual (Page 119)

ESC R Set resolution
Format: B1 B2 B3 B4 B5 A5
Command:ASCII: ESC R
Decimal: 27 82
Hexadecimal: 1B 52
Parameter: n1
L
n1
H
n2
L
n2
H
Handshaking:
1 ESC R command
2 ACK code
3 Parameter (n1, n2)
4 ACK code
Parameter range:
n1
L
, n1
H
= main scan resolution
(lower byte, higher byte)
n2
L
, n2
H
= sub scan resolution
(lower byte, higher byte)
Default values: n1 = 100, n2 = 100 (in dpi)
Command Reference 3-25