Read Failed at cupsBackChannelRead
Zebra
kavinsivakumar at yahoo.co.in
Tue Nov 17 21:53:38 PST 2009
Hi,
I am using USB printer ,whatever i am sending the printer responding,for example i am sending "\033R\r" the printer gets restart,like this i want to send and read the response from printer if back-end doesn't support the back channel means what i should do to read a response even cupsSideChannelRead() and cupsSideChannelWrite() also return -1.for this thing what i should do.
Please Guide me to resolve this
Regards
SivaKumar
> On Nov 17, 2009, at 7:51 PM, Zebra wrote:
> > ...
> > I am connecting printer using USB port.
>
>
> On Linux, the USB backend does not support back-channel.
>
> ___________________________________________________
> Michael Sweet, Senior Printing System Engineer
>
>
>
More information about the cups-devel
mailing list