Here is a list of things to consider when troubleshooting printer issues:

1. Verify that the printer is plugged in and turned on.
2. Check any error messages on the printer display.
3. Check the printer's documentation regarding how to cancel a print job.
4. Check all cables that connect the printer to the computer are properly connected.
5. Check the printer’s driver settings on the computer.
6. Reset the printer and start the printer again.