Why do you need to regularly install the drivers?
Are you adding new PCs that quickly?
If the drivers are getting corrupted, I would investigate why that is happening.
You can have numerous printers installed.
You can even have multiple copies of the same printer installed.
You do not need to un-install the printer driver to change printers.
When you need / want to change printers, just go to settings / printers, and select the printer you want, and make it the default printer.
You can usually select a different printer from the list of installed printers in the print dialog boxes of most applications.
You could automate the installation in several ways.
You could create an image of all of the required files on a CD to copy the files to the correct directory.
Then, you would need to create a registry patch to apply the proper information to the registry keys.
I think there is information on registry patches at www.annoyances.org
I know it is covered in their Windows 95 Annoyances book.