Canon PIXMA G5020 Wireless MegaTank Printer - Manual (Page 375)

List of Support Code for Error (Paper Jams)
If paper jams, remove it following the appropriate procedure as shown below.
• If you can see the jammed paper at the paper output slot or the rear tray:
1300
• If you cannot see the jammed paper at the paper output slot or the rear tray:
◦ If the paper fed from the cassette is jammed:
1303
◦ If the paper is jammed when performing automatic duplex printing:
1304
◦ If the paper is jammed as the printer pulled in the printed paper:
1313
◦ If the paper tears and you cannot remove it from the paper output slot or if the paper is jammed
inside the printer:
Paper Is Jammed inside Printer
• Cases other than above:
Other Cases
375