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6.3 Outline of Command System
For details about command system, see the Command Reference
separately available.
Commands for this printer consist of a string of ASCII codes and end
with "CR" (decimal: 13, hex: 0D). Commands are generally classified
into two types, system-level commands and label format commands.
System-level commands are used for system-level operations such as
printer status output, sensor selection and memory card maintenance.
On the other hand, label format commands are used for definition of
printing contents such as character data, bar code data, printing speed,
and print density.
System-level commands start with ASCII "SOH" or "STX."
Commands starting with "SOH" are required for real-time execution.
When received, they are executed immediately even during printing.
Commands starting with "STX" enter the buffer area once and then are
executed in the order of data reception.
Label format commands end with "CR", following the system-level
commands "STX" + "L."
System-level commands
start with "SOH" or "STX"
Commands to start with "SOH"
Executed immediately after receiving data
(e.g. printing stop, printer status output etc.)
Commands to start with "STX"
Executed in sequence after inputting into the
receive buffer
(e.g. sensor switching, memory card maintenance
etc.)
"STX" + "L" ↓ ↑ "E" (with printing)
"X" (without printing)
Label format commands Print parameter control
end with "CR" Character data definition commands
Bar code definition commands
Graphic commands
Other commands