Thank you for getting back to me. I have gone through windows update. They list the printer as incompatable. I found a way to have the driver reinstall by the simple act of unplugging it after use then replugging it into a designated USB port I set up for it. Takes a few seconds but the connection holds all day and through a variety of programs. It does tend to get a little cranky when I go from a windows to a .pdf file. Not too big an inconvenience. Dell, could not help. they had some good suggestions but they didn't work out. Most of the advertised solutions wanted $$$ up front with NO guarantees.
If someone knows of a reliable driver for the HPLJ6 for Win7, I would be grateful for the information. It is a wonderful monochrome laser printer and I will do my best to keep it.