You have 4 options !
This solves the problem and most usually do this.
2) Manually flush the print queue.
Type services.msc in Windows start menu search bar and hit enter to open Services. Navigate down to Print Spooler. Rt click on this services and 'Stop' this service.
Next navigate to C:\Windows\System32\spool\PRINTERS folder and delete all the CONTENTS of this folder.
Now rt click again on the Print Spooler service and restart it.
Refresh the print queue. Your problem should have been solved.
3) Copy-paste the following in Notepad and save it as a .bat file:
echo Stopping print spooler.
net stop spooler
echo Erasing Temporary Junk Printer Documents
del /Q /F /S “%systemroot%\System32\Spool\Printers\*.*
echo Starting print spooler.
net start spooler
Run the bat file when the need arises. Alternatively, you may also download this ready-made bat file : fixprintq.