How do I fix a printer spooler error?

1. Check the power supply of printer & restart the system
2. Unplug and then reconnect printer to the computer
3. Update drivers and software related to your printer
4. Double-check printer settings through the printer properties
5. Check the user privileges of your account
6. Restart the print spooler service
7. Delete unneeded files & folders from %systemroot%\System32\Spool\Printers