[cups.general] regarding cups

Michael Sweet mike at easysw.com
Thu Sep 27 15:29:49 PDT 2007


Tim Waugh wrote:
> On Thu, 2007-09-27 at 17:05 -0500, Michael R Sweet wrote:
>> Premjo wrote:
>>> Hi,
>>>    Is it possible to send instant commands to the printer and receive the reply by using the cupsBackChannelRead() and the results can be shown on the web (http://localhost:631) or on the right click property of the printers ?, please help me on this.
>> No, only drivers (which are run only when you send a print job) can
>> communicate with devices.
> 
> It's the kind of thing I'd like to be able to do as well, particularly
> for checking ink levels.
> 
> If the driver supports CUPS-COMMAND files, *and* STR #1307 were
> addressed, this would in fact be possible from the web interface.  The
> results could be found from the marker-state attributes.

One of the things I mentioned at this year's printing summit is that
we are planning on implementing so-called "persistent backends" which
will allow for live monitoring.

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com
Internet Printing and Document Software          http://www.easysw.com




More information about the cups mailing list