Chapter 7 — Commands
ESim for the PC4 and PF8 Printer Programmer’s Reference Manual 125
? - Download Variables
Purpose: This command is used to signal to the printer that the data
following are variable or counter values.
Syntax: ?
Remarks: This command is used by the host system to send data
representing variables and/or counters to the printer after a stored
for containing variables and/or counters has been retrieved. The
amount of data following the question mark line must match
exactly the total number and order of variables and/or counters
for that specific form.
Example:
FR"TEST7"
?
12345
abcde
ABCDE
99999
P1
^@ - Reset Printer
Purpose: This command resets the printer.
Syntax: ^@
Remarks: The ^@ command resets the printer in the same way as a power
off followed by a power on.
• the command must be followed by CR/LF to be correctly
interpreted.
• the reset command is only available during command input,
that is, not as data in PCX graphics, soft fonts, or in format
forms.
• the printer is unavailable for a short time during which all
commands sent to the printer are lost.
Note: If the ? command is omitted, no variables or counter values
are printed.
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