Epson TM-J2000 Spezifikationen Seite 215

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CONFIDENTIAL
Paper roll Bit-image commands GS ( L GS 8 L
Ver. 10.05 p. 215
GS ( L pL pH m fn <Function 51 >
[Name] Transmit the remaining capacity of the NV graphics memory.
[Format] ASCII GS ( L pL pH mfn
Hex 1D 28 4C 02 00 30 fn
Decimal 29 40 76 2 0 48 fn
[Range] (pL + pH × 256) = 2 (pL = 2, pH = 0)
m = 48
fn = 3, 51
[Description] Transmits the number of bytes of remaining memory (unused area) in the NV graphics area.
This function does not require ESC/POS Handshaking Protocol.
[Notes]
This function is used to send the following data groups, beginning with the Header and ending with NUL.
(*1) The unused capacity is the total byte count for the unused area. The decimal value for the unused
capacity is converted to text data and sent starting from the high order end.
Example:
If the available capacity is 120 bytes, the “120” (expressed hexadecimally as 31H, 32H, and 30H, decimally
as 49, 50, and 48) is converted to 3-byte data.
The control information for NV graphics data is included in the capacity in use.
See previous [Notes for transmission process] for process sending data group.
Do not use this function in conjunction with NV bit images (FS q).
[Model-dependent variations] None
Send data Hexadecimal Decimal Data length
Header 37H 55 1 byte
Identifier 31H 49 1 byte
Unused capacity (*1) 30H to 39H 48 to 57 1 to 8 bytes
NUL 00H 0 1 byte
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