How to Fix Printer Error 0x00000709 on Windows

1] Uninstall KB5006670 Cumulative update (din control panel, updates, sau linie de comanda admin wusa /uninstall /kb:5006670 )

2] Run Printer Troubleshooter msdt.exe /id PrinterDiagnostic

3] Disable the Windows 10 managing Printers automatically

4] Configure PointAndPrint registry (cmd as admin, reg add “HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Printers\PointAndPrint” /v RestrictDriverInstallationToAdministrators /t REG_DWORD /d 1 /f )

5] Use the Registry Editor (

Click on the Start button and type “Regedit” from your keyboard.
Select the Registry Editor application from the best match.
If UAC prompts on the screen, click on the Yes button to give your permission.
In the Registry Editor window, navigate to the path – 

HKEY_CURRENT_USER\Software\Microsoft\WindowsNT\CurrentVersion\Windows

Move to the right pane and double-click on the Device option.
In the popup menu, give the name of the printer inside the Value Data field.
Clicking on the OK button, a new error may appear saying – “Cannot edit Device: Error writing the value’s new contents”.
In this case, you need to set the permission of the key.
So, go to the left pane and do a right-click on the Windows folder as shown in the below snapshot.
From the context menu, select the Permissions option.
Go to the Group or user names section, and select Restricted.
Again, go to the Permissions for Restricted section and mark the checkbox next to the Full Control and Read option.
Finally, click on the Apply and then OK button.
There is a UserSelectDefault option in the right pane.
Right-click on this option and rename it as the printer name.
Now, reboot your computer and that’s it.

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src: https://www.howtoedge.com/fix-printer-error-0x00000709-on-windows-10/