I have a HP940C printer, using a Mac with OSX 10.5.8, with an Inter Core 2 Duo. Problem: I'm trying to open Printer Utility. After downloading the most recent driver, I found the HP Toolbox. When I try to open, it appears briefly on my
tool bar then disappears. I'm trying to change the setting on the printer, since I can only print in B&W now. When the toolbox icon disappears, the...