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Printing Labels 17
2.1 Programming Commands
In order to be ready for a command sequence, the Printer must first
receive a special character called an “attention getter” which informs the
Printer that it is about to receive a command and the type of command it
will be. Immediate Commands, System Level Commands, and Font
Loading Commands each have their own attention getter. The attention
getter character is followed by a command character that tells the Printer
what action to take.
ASCII
Char.
Decimal
Value
HEX
Value
DOS
Prompt
Attention Getter For
SOH 1 01 Ctrl A Immediate Commands
STX 2 02 Ctrl B System Level Commands
ESC 27 1B Ctrl [ Font Loading Commands
Table 2-1 Attention Getters
When the Printer receives an Immediate Command it will cease whatever
it is doing and perform that command. Commands of all types must be in
this sequence:
1. Attention Getter
2. Command Character
3. Parameters that must be entered by the user (if any).
Command
Character
Must Enter
Parameters?
Printer
Responds?
Command
# N Y Reset
A N Y Send ASCII status string
B N N Toggle pause
C N N Cancel
D N N SOH shutdown
E N Y Send batch quantity
F N Y Send status byte
Table 2-2 Immediate Commands