xmove,

First run Delete Print Jobs to remove any stuck print jobs from the queue.

Disconnect the printer.

Download and run the patch(printer cleanup utility) until it prompts you to restart your computer.

Restart your computer.

Make sure to go to Windows Updates and the the custom updates. .net framework is needed to run many applications. Also Download Latest Java

Insert the printer disk and follow the instructions. 

To download the patch/drivers(if needed)...

Dell 922 Photo All-In-One Printer owners thread (W7)

Remember virus programs and firewalls will block communications.

Rick