I have been using HP 450C as a local printer with AD2 (Win98) for three years with no problem, and have had recent service. One day the horizontals started to come out jagged; is this a corrupt driver? I've run all HP diagnostic tests; other applications print fine. I've seen similar threads and have tried downloading and reloading drivers, but nothing yet has helped. Is there a concise fix for this? If it is a corrupt driver, do I need to reinstall AD2, or can I write over just the existing driver file using the original CD?
