Commands; Command Notation; Xxxx; Explanation Of Terms - Epson TM-T81 Technical & Specifications Manual

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6. COMMANDS

6.1 Command Notation

XXXX

[Name] The name of the command.
[Format] The code sequence.
[ ]k indicates the contents in brackets [ ] should be repeated k times.
[Range] Gives the allowable ranges, if any, for the command parameters.
[Default] Gives the default values, if any, for the arguments.
[Description] Describes the function of the command.
" " in the table indicates 0 or 1.
[Notes] Provides important information on setting and using the printer command, if necessary.
[Reference] Gives a reference, if any.

6.2 Explanation of Terms

1) Real-time command
Real-time commands are identified with a DLE extension such as DLE EOT, DLE ENQ, or DLE
DC4. The printer executes these commands as soon as they are received.
2) Obsolete command
Obsolete commands are commands that will not be supported by future printer models.
Therefore, we recommend replacing them with more recent, upward-compatible commands that
have the same functions.
3) NV memory write command
NV memory write commands delete or store data in the NV memory (flash ROM)
GS ( E <some functions>, GS ( L / GS 8 L <some functions>, GS g 0, FS g 1, FS q
4) ESC/POS Handshaking Protocol
ESC/POS Handshaking Protocol is a handshaking protocol between the host computer and the
printer when the printer transmits data. The ESC/POS Handshaking Protocol is required if the
following commands are executed:
GS ( L / GS 8 L <some functions>
5) Print buffer
The print buffer is used to store image data for printing
6) Receive buffer
The receive buffer is used to store data from the host computer. All received data is stored in
this buffer and processed in the order received.
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