6. INTERFACE COMMANDS
6.1OUTLINE OF COMMANDS
(1)Format of Interface command
ESC
Command & Data
LF
NUL
zThe length from [ESC] to [LF] [NUL] must be as specified by each command.
zThere are the following three kinds of control codes: c ESC (1BH), LF (0AH), NUL(00H)
d { | (7BH), (7CH), } | (7DH) |
eCode set in the system mode
(2)How to use reference
Function
Format
Term
Explanation
Note
Refer to
Examples
Describes the outline of the function of the command.
Shows the format of the command.
The format designation method should conform to the following rules:
zEach set of small letters (such as aa, bbbb) indicates a parameter item.
zAn item enclosed in parentheses may be omitted.
z“…” indicates the repetition of an item.
zBrackets and parentheses are used only in coding, and must not be transmitted in practice.
zOther symbols must always be inserted at the designated positions before being transmitted.
Explains the term(s) used in the format.
*“0 to 999” described in the entry range indicates that up to
Explains the command in detail.
Supplementary explanation of the command.
Related commands
Explains the command examples.
[ESC] T20C40 [LF] [NUL]
The above corresponds to the transfer of the following:
| 1B |
| 54 |
| 32 |
| 30 |
| 43 |
| 34 |
| 30 |
| 0A | 00 |
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[ESC] | T | 2 | 0 |
| C | 4 | 0 |
| [LF] [NUL] | |||||||||
(3)Precautions
The commands and parameters described in this specification must always be used. If any command or parameter other than those covered in this specification is used, the printer’s 
operation will not be guaranteed. The commands must be used in the online mode. If any command is transmitted in the system mode, the printer will not operate. However, only the Reset Command can be used.
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