Hi,
I have some ink taint on every odd numbered page when I print a document in duplex with my new officejet pro 8100. Of course have I already done the standard cleaning, but it didn't go better. I have printed over 12'000 sheets with a 8600 pro (duplex, of cours) and never had this problem. I'm quite disappointed by the poor quality of a so called professionnal printer.
Best regards,
Euler