I'm dealing with a Windows Server 2019 Standard and have noticed that some of my printers aren't functioning anymore. Everything was running smoothly until a couple of weeks ago. While I can install and uninstall drivers without any issues, whenever I try to add a Type 3 printer, I run into an error saying, "Printer can't be installed. Driver is not valid." Strangely, Type 4 printers still work perfectly. Is there something in Group Policy or the registry that could be blocking Type 3 printers specifically? I'd appreciate any focused help on this, as suggestions like upgrading to Windows Server 2022 or avoiding printers altogether won't work for my setup.
3 Answers
It sounds like you're having a rough time with those printer drivers. First, make sure to check if the digital signature on the drivers is still valid. If you’ve re-added the printers already, try adding the fully qualified domain name (FQDN) of your print server in a Group Policy Object (GPO). That should be found under Computer Configuration > Admin Templates > Printers > Point and Print Restrictions. Another tip is to copy the driver files to your local system and run Print Management MMC as an admin. Remove the old instances from there as well as from Device Manager before re-adding the printer with the new drivers.
Could it be that the drivers you're using are corrupted? It's worth redownloading the latest drivers directly from the manufacturer's site, especially if you're reinstalling something already present on the server. I manage a server with over 600 printers on 2019 without any issues, so it seems like a driver issue might be at play here.
Did you provide the make and model of the printers? Knowing those details could help others figure out what might be going wrong. It's tough to troubleshoot without that info! Sometimes the specific driver versions can make all the difference.
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