Backend without filter

[shermin]

Hi,

I tried opening the file using raster viewer.But i am getting error "cupsRasterOpen failed".I tried printing using Hp deskjet 6980 series and with my card printer also.Same error coming
what could be the problem


Shermin




> shermin wrote:
> > Hi,
> >
> > Is there any problem in reading the raster data directly in backend without using raster filter.I am bypassing the raster filter by specifying "-" in ppd file.I developed the custom usb backend .I need to read the raster data from the printer in backend and have to send the color pixel value to my printer for printing.
> >
> > This is a valid method???????
>
> It *is* a valid method, and you should be getting valid raster data.
>
> Try redirecting your print queue to file:///tmp/printername with:
>
>      cupsctl FileDevice=Yes
>      lpadmin -p printername -v file:///tmp/printername
>
> and then examine the raster data that is put in that file when you
> print.  My RasterView program is useful for this:
>
>      http://www.easysw.com/~mike/rasterview
>
> (PS - please wait until at least the next business day before
> re-posting your questions...)
>
> --
> ______________________________________________________________________
> Michael R Sweet                        Senior Printing System Engineer
>