Okay, I had the Similar Issue With My Printer Today So i did Some digging Online & After talking to Canon Support & Hours Of Time Spend Here is Something You Can Try that may solve the issue (1) Reboot the Printer Using the Power Key. Press the Power Key & Hold it for 20-30 seconds While the Printer is Plugged to power Supply. (2) Open the Printer Cover Clean the Dust, Small Pieces of Paper & Unseen Tiny Objects Stuck to paper feed (3) Remove any obstacles Blocking the Printer Paper Feed & check to insure the paper feed try is Set Properly. to Know More Visit How to Fix Canon Error 6000 Support Code Problem. Please let me know if this Helps you Address the Issue.
Go to Control panel and find the device manager see if you can see the Display driver and try updating the video driver . checkout the resolution and in display settings change the size for more steps - click http://fixingblog.com/fix-screen-display-computer-screen-centered/ , thanks and welcome