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6. INTERFACE COMMANDS
6.1 OUTLINE OF COMMANDS
(1) Format of Interface command
z The length from [ESC] to [LF] [NUL] must be as specified by each command.
z There are the following three kinds of control codes:
c ESC (1BH), LF (0AH), NUL (00H)
d { (7BH), | (7CH), } (7DH)
e Code set in the system mode
(2) How to use reference
Function Describes the outline of the function of the command.
Format Shows the format of the command.
The format designation method should conform to the following rules:
z Each set of small letters (such as aa, bbbb) indicates a parameter item.
z An item enclosed in parentheses may be omitted.
z “…” indicates the repetition of an item.
z Brackets and parentheses are used only in coding, and must not be transmitted
in practice.
z Other symbols must always be inserted at designated positions before being
transmitted.
Term Explains the term(s) used in the format.
* “0 to 999” described in the entry range indicates that up to 3-digit variable-length
entry is allowed. (Entry of “001” or “009” is also possible.) “000 to 999” indicates
that the entry must be fixed as 3 digits.
Explanation Explains the command in detail.
Note Supplementary explanation of the command.
Refer to Related commands
Examples Explains the command examples.
The above corresponds to the transfer of the following:
(3) Precautions
ESC Command & Data LF NUL
[
ESC
]
T20C30
[
LF
]
[
NUL
]
1B 54 3030 43 3332 0A 00
[ESC]
T 2 0 C 3 0 [LF] [NUL]
The commands and parameters described in this specification must always be used. If any
command or parameter other than those covered in this specification are 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.