Specifications

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
E
138 137
TM-T90
Specification
(STANDARD)
<Function 64> GS ( L p
L
p
H
m fn d1 d2 (fn = 64)
[Format] ASCII GS ( L p
L
p
H
m fn d1 d2
Hex 1D 28 4C p
L
p
H
m fn d1 d2
Decimal 29 40 76 p
L
p
H
m fn d1 d2
[Range] (p
L
+ p
H
× 256) = 4 (p
L
= 4, p
H
= 0)
m = 48
fn = 64
d1 = 75
d2 = 67
[Description] Transmits the defined NV graphics key code list.
When the key code is present:
Hexadecimal Decimal Amount of data
Header 37H 55 1 byte
Flag 72H 114 1 byte
Status 40H or 41H 64 or 65 1 byte
Data 30H – 39H 48 – 57 2 – 80 bytes
NUL 00H 0 1 byte
When the key code is not present:
Hexadecimal Decimal Amount of data
Header 37H 55 1 byte
Flag 72H 114 1 byte
Status 40H 64 1 byte
NUL 00H 0 1 byte
If the number of the key code exceeds 40, divide the key code by 40 for transmission.
The status if the continuous transmission data block is present is 41H.
The status if the continuous transmission data block is not present is 40H.