Many times a simple restart will be enough to solve the problem. For the same, you just have to turn off the printer and then plug out all the wires from it. Leave the printer off for a while and then turn it on again. Check if the problem is resolved or not. Open the cover of the printer and check that there is no paper that is stuck inside the paper feed. If any paper is found, remove it, clean the tray to remove any dirt particles or any foreign objects. To fix Canon printer error 6000 try removing the tray and then fitting it properly again.