Hello rockymypet.
I understand you don't have the Photosmart D110a software installed on your computer.
Please provide your Operating System. Click on this website to verify if you have Windows or MAC.
Make sure there is no HP software on your computer before you Install the drivers for this printer. Here is a HP document on Uninstalling Software.
Here is the full feature software for the Photosmart e-All-in-One Printer - D110a. Make sure you choose your correct operating system.
If you have any further questions please let me know.
Ashley