Here is free download HP Scanjet 4500cxi Scanner Driver for Windows XP, Windows Vista, Windows XP 64-bit, Windows Vista 64-bit. Save the driver file somewhere on your computer where you will be easily able to find it, such as your desktop. Then go to the location where you saved the file and double click on the file. Then simply follow the on-screen instructions for installing the driver.
List of Download Link
Windows XP
HP Scanjet 4500cxi Windows XP Scanner Driver Download
Windows Vista
HP Scanjet 4500cxi Windows Vista Scanner Driver Download
Windows XP 64-bit
HP Scanjet 4500cxi Windows XP 64-bit Scanner Driver Download
Windows Vista 64-bit
HP Scanjet 4500cxi Windows Vista 64-bit Scanner Driver Download
