How can the Print Spooler service cause network printer issues, and what's the recommended way to reset it in Windows?

The Print Spooler service manages all print jobs. If it becomes stuck or corrupted, it can prevent any printing, including to network printers. To reset it: Type 'services.msc' in the Start menu search and open 'Services'. Locate 'Print Spooler' in the list. Right-click it and select 'Stop'. Then, navigate to `C:\Windows\System32\spool\PRINTERS` and delete all files inside this folder (these are pending print jobs). Go back to the Services window, right-click 'Print Spooler' again, and select 'Start'.