Why is my printer not responding to print commands from a specific program?

1. Check if the printer is connected to the computer.
2. Confirm that the printer and the program are compatible.
3. Check that the printer and the program are using the same driver.
4. Make sure the printer is ready.
5. Check that the program is outputting to the right printer.
6. Check the program’s print settings.
7. Restart the computer and the printer.