cups cupsBackChannelRead

velupillai kalyani.vel at
Fri Jan 25 00:23:54 PST 2008

i use mandriva 2007 and i used usb and serial backend.

i have the same failure of cupsBackChannelRead for both backend.

thanks for your quick reply.

> velupillai wrote:
> > I wrote a raster filter. Now i want The filter be able to request some information from the printer. so i use cupsBackChannelRead (i tried cups 1.2.10 then 1.3.5).but it failed to read and return -1.i noticed in /var/log/cups/error the sentence "Received 1 bytes data from backchannel".Can anyone help me? thanks in advance.
> What operating system/Linux distribution are you using?
> How is the printer connected?
> Which backend are you using?
> --
> ______________________________________________________________________
> Michael R Sweet                        Senior Printing System Engineer

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