Delete HP 6600 printer driver

[Funktion]

Hello, I have trying for hours to get my HP 9125e to "install" properly on Windows OS after an update and modem / router reset.

It seems the problem is that the old ( HP 6600 )driver will not fully uninstall. I have chased this thing to it's location in system32 directory and even manually uninstalled the driver file ( it no longer exists on C drive)-- BUT it remains in the list of Print Server drivers in the windows command-line print utility. When I try remove it, I get a message: "Unable to remove HP Officejet 6600, x64, Type 3 - User Mode Driver   The specified printer driver is currently in use."

The old 6600 went into the trash 3 months ago, so it is not communicating with my computer or the new printer.

I removed the old printer from "Printers & Scanners" hours ago and restarted multiple times, restarted the network, the new printer, etc-- multiple times.

Anyone else have any insight on this problem?

Thank you very much

[zoey7886]

@Funktion, Welcome to the HP Support Community!  

Thanks for reaching out about your query regarding Deleting HP Printer Driver! 

We're thrilled to have the opportunity to assist you and provide a solution.  

Here are the steps to completely remove an HP printer driver from your Windows operating system:

Stop Print Spooler Service:

• Open a Command Prompt as an administrator.
• Type net stop spooler and press Enter.

Delete Printer Driver:

• Open the Print Management console by typing printmanagement.msc in the Run dialog (press Windows key + R).
• In the Print Management console, navigate to 'Drivers' under the 'Print Servers' section.
• Find the HP 6600 driver in the list.
• Right-click the driver and select 'Remove Driver Package'.

Remove Registry Entries:

• Open the Registry Editor by typing regedit in the Run dialog (press Windows key + R).
• Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Drivers\Version-3\ (or Windows NT x86\Drivers\Version-3\ for 32-bit systems).
• Locate and delete the key corresponding to the HP 6600 printer driver.

Clean Up Remaining Files:

• Ensure no remaining files related to the driver exist in the following directories:
  • C:\Windows\System32\spool\drivers\x64 or x86
  • C:\Windows\System32\spool\PRINTERS
  • C:\Windows\System32\spool\SERVICES

Restart Print Spooler Service:

• Open a Command Prompt as an administrator.
• Type net start spooler and press Enter.  

Hope this helps!

Take care, and have an amazing day!  

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Regards,