Uninstall the current driver. If it does not appear in Add/Remove Programs you will have to use Device Manager. Download the updated driver from the HP website and install it.
you can actually replace hp deskjet driver by simply going first to hp drivers and download page
- mahal coh -: indicate the type of system, os, find the root driver
you need to find HP root device , and define your operating system , you need to browse for the root driver you can update the driver with radarsync or driver scanner
Uninstall this driver first. Go to the hp site or re-plug the driver into your computer. Doing either of these should re-install the driver and everything should work correctly after that.