The Print Spooler manages all print jobs. Sometimes it gets "stuck" trying to process a corrupted file or a previous job that didn't finish. Restarting it clears the memory and usually forces stuck documents to delete or start printing again.

In the black window, type the following commands one after another, pressing after each line:

Restarting the spooler often resolves these issues without needing to reboot your entire computer.

Sometimes corrupt print jobs block the spooler.