My printer is being recognized, installed.
When I am trying to print anything it's saying
"Documnt has been sent for printing"
but nothing is actually printed.
I've tried CANON LBP printers and HP LaserJet 1020
Do you have printer drivers installed?
My laserjet worked initially on ubuntu 11.10 but stopped working after an update. Then I started getting exactly the same kind of error you described and tried a few things before I got it working.
Try these commands.
This will help find and install the printer.
Then I used
I found multiple installations for HP-Laserjet-1020 on my system.. tried printing test pages from all. I kept the printer profile that worked as default and deleted others.