I bought this to replace my 6620 and it doesn't compare. It does not collate from the copy machine and has a number of other back in time clunky features that make me highly disappointed. I would trade it in if I thought I could. It does the job though and prints super fast that's why it got two and not one.
I set up my printer with HP+ and everything seems to work well so far. It does print clearly, but I have not used it much yet. My old Cannon Pixma lasted 8 years, but it used a lot of ink. I have HP laptops, so I am back to a HP printer again.