How to fix a Canon PIXMA TR4640 error code 1303 (paper jam),

To fix a Canon PIXMA TR4640 error code 1303 (paper jam), follow these steps:
1. Turn Off the Printer

Turn off the printer and unplug it from the power source to ensure safety.
2. Open the Paper Output Cover

Open the paper output cover to access the internal parts of the printer.
3. Remove Jammed Paper

Carefully look for and remove any jammed paper inside the printer. Check the following areas:

Paper tray
Inside the printer (near the print head and rollers)
Rear side of the printer (if applicable)

4. Check the Paper Path

Make sure there are no small pieces of paper left inside the printer. Use a flashlight to inspect hard-to-see areas.
5. Reload Paper

After removing the jammed paper, reload the paper stack into the paper tray. Ensure the paper is properly aligned and not exceeding the paper limit mark.
6. Close the Paper Output Cover

Close the paper output cover securely.
7. Plug in and Turn On the Printer

Plug the printer back into the power source and turn it on.
8. Reset the Printer

Sometimes, resetting the printer can help clear the error code. To do this:

Turn off the printer.
Unplug it from the power source.
Wait for about 5 minutes.
Plug the printer back in and turn it on.

9. Test Print

Try printing a test page to ensure the printer is functioning correctly.

If the error persists, it may be necessary to contact Canon customer support or a professional printer repair service for further assistance.

Would you like more specific steps for accessing any particular part of the printer or additional troubleshooting tips?