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Parameters are refined by the selected printer.
- EU-m30
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- TM-T81III
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- TM-T90
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- TM-U230
GS ( C <Function 4>
[Name]
Transmit the remaining capacity of the NV user memory
[Format]
ASCII
|
|
GS
|
|
(
|
|
C
|
|
pL
|
|
pH
|
|
m
|
|
fn
|
|
b
|
Hex
|
1D
|
28
|
43
|
03
|
00
|
00
|
fn
|
00
|
||||||||
Decimal
|
29
|
40
|
67
|
3
|
0
|
0
|
fn
|
0
|
[Range]
(pL + pH × 256) = 3
m = 0
fn = 4, 52
b = 0
[Description]
Transmits the number of bytes of remaining memory (unused area) in the NV user memory.
-
ESC/POS Handshaking Protocol is not required for this function.
[Notes]
-
With this function, the printer sends the "Header to NUL" data shown below:
-
Send dataHexDecimalNumber of bytesHeader37h551 byteIdentifier29h411 byteAvailable Capacity (∗1)30h – 39h48 – 571 – 8 bytesNUL00h01 byte
-
(∗1)The available capacity indicates the number of bytes not being used. The decimal value for the available capacity is converted to ASCII character data and sent from the most significant digit.Example:When 120 bytes is available (not being used), the number 120 is expressed with 3 bytes of data (Hexadecimal: 31h, 32h, and 30h / Decimal numbers = 49, 50, and 48).
-
See [Notes for transmission process] for process sending data group.
Quick Access
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- [Notes]
ESC/POS® includes patented or patent pending commands. The contents must not be disclosed
to third parties.
- Introduction
- Commands Arranged by Function