Cognitive Solutions Cxi Guide de l'utilisateur Page 78

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Vue de la page 77
STANDARD PRINTER COMMANDS
66 Copyright © 2006, Cognitive.
QUERY FIRMWARE REVISION
Function Causes the printer to send firmware revision
information to the host computer. The printer
sends its firmware part number, revision, revision
time, and revision date in response to this
command. Such information is useful when
developing software that must control several
different printers.
Explicit Form
!QR
Parameters None
Comments This command does not require a header line, but
must be followed by a line feed (or carriage return
and line feed) and an END statement. Do not use
any other commands with QUERY REVISION.
See also QUERY STATUS, VARIABLE USER_FEEDBACK
Example
!QR
END
IMPORTANT!
Use this command exactly as shown in the example.
Do not use other commands (except the
END
command) with the
QUERY REVISION command.
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