As we discussed the main Reason For this Windows Cannot Connect to the Printer Error Mscms.dll file.

This mscms.dll is a color module that may be failing to reach its destination folder.

you’re able to copy this mscms.dll file manually to fix this issue.

If it doesnt connect, re-add the printer and test.

For the connection, the printer punch in the IP address of the printer.

Also, the installation of the previous printer can prevent the printer spooler from adding new printers.

Tweak Windows Registry

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Printers*YOUR PRINTERS NAME*\CopyFiles

Delete theICM folderwhich is under theCopyFiles folder.

Then kill the registry editor and restart windows to take effect the changes you have made.

Now again try connecting to the printer see the problem fixed this time.

Then navigate to the following key.