"Currently I've these 3 parport devices in /dev/ as parport, but I can't access them. My parallelport is well working when I try "cat textfile > /dev/lp0". But when I try the same with /dev/parport0 then I get the message: "
Your parport drivers may not be loaded. Use:
find /lib -iname "*parport*"
to see if you have your parport drivers installed.
to see if your parport drivers are loaded.
Use modprobe to load the relevent modules. See:
Be prepared. Create a LifeBoat CD.