If you have done all of these things, alignment, head cleaning, etc, and see a good nozzle check, I would consider having a custom curve made for this printer by inkjet mall. If you still have the banding after all that I would think you need a new head. john
Message
Re: Banding in the Mid-Tones on Epson 7600 Using Piezography K7 Neutral Set
2011-11-18 by john