Re: Printer Device info
From: vipin aravind (vipin.aravind_at_wpro.com)
Date: 03/09/04
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Date: Tue, 9 Mar 2004 21:21:21 +0530
As feng pointed its hardcoded, PPM is derived by manufacturer by running
some standard documents on the printer. Its just an indicative value.
thank you
vipin
"Laurentiu Dumitrescu" <dumi75@yahoo.com> wrote in message
news:6c1da25e.0403080154.5639dcca@posting.google.com...
> Hi all,
>
> I have a subtle problem trying to get some information from
> printers(local, local shared, network).
> Can anyone tell me what API functions should I use to get some device
> printer information and not driver printer information. I need
> information directly from the printer because it is possible that a
> printer to be installed with other printer driver and I do need the
> real information.
>
> I will explain a simple example:
> I need to find out the printer speed. For that I used
> DeviceCapabilities with DC_PRINTRATEPPM parameter.
>
> My real printer is "HP LaserJet 1200 Series". I installed 3 different
> drivers for this printer. Each one gives a different PPM value:
> - HP LaserJet 1200 Series - 14 ppm
> - HP LaserJet 1200 Series PCL 6 - 15 ppm
> - HP LaserJet 2000 - 20 ppm
>
> The real ppm(tested) is 14.
>
> So, I don't know how can I get the real PPM from the printer when it
> is installed with a different driver.
>
> Let me to put the question in a differnt way. How can I get the real
> printer model? (Normaly this can be done using GetPrinter). The funny
> thing is that Windows knows the model before installing the
> driver(when the printer is the first time plugged to the
> computer)...so seems to me that it knows a different way to
> communicate with the printer...
>
> Hus... I talked too much;)
>
> I hope someone will have a suggestion to make
> Thanks a lot,
>
> Laurentiu
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