Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
F
115 114
TM-T90
Specification
(STANDARD)
<Function 4> GS ( E p
L
p
H
fn a (fn = 4)
[Format] ASCII GS ( E p
L
p
H
fn a
Hex 1D 28 45 p
L
p
H
fn a
Decimal 29 40 69 p
L
p
H
fn a
[Range] (p
L
+ p
H
× 256) = 2 (p
L
= 2, p
H
= 0)
fn = 4
a =1, 2, 8
[Description] • Transmits the setting value(s) of the memory switch specified by a.
Hexadecimal Decimal Amount of data
Header 37H 55 1 byte
Identifier 21H 33 1 byte
Data 30H or 31H 48 or 49 8 bytes
NUL 00H 0 1 byte
•
Data for the setting is transmitted as 8 bytes or a data string in the order from bit 8 to bit 1,
as follows:
Off: Hexadecimal = 30H / Decimal = 48
On: Hexadecimal = 31H / Decimal = 49