: Scans both sides of a document simultaneously, significantly speeding up digital workflows. Connectivity & Mobile Printing Wired Networking
Go to the Apple menu > System Settings (or System Preferences) > Printers & Scanners . driver hp laserjet pro mfp m521dn
Open the Windows Services app ( services.msc ), stop the Print Spooler service, delete files inside C:\Windows\System32\spool\PRINTERS , and restart the service. : Scans both sides of a document simultaneously,
You can also download and use the HP Smart app from the Microsoft Store for driver installation and printer management. stop the Print Spooler service
This is a hardware failure (laser/scanner assembly); contact HP if under warranty.
Check the Ethernet cable connection and restart both the router and printer. Scanner Not Working: