My printer does not work under windows nt What is the problem?

On old versions of Windows, when users upgrade a device driver, there is a chance the new driver is less efficient or functional than the original. Reinstalling the old driver can be a major hassle and to avoid this quandary, Windows XP keeps a copy of an old driver when a new version is installed. If the new driver has problems, the user can return to the previous version. This feature does not work with printer drivers.