I have the same printer, same driver.
I had the same problem. Changing the cartridge to
one known to be good (since it worked ever since)
AND cleaning the printer inside contacts gently
seemed to do the "trick" for me.
I remember something about having a little trouble.
             RickGlazier


> HP 820Cse, v8.5
>
> My 820 has been in service four years. During the last two
> months, out of the blue, I am getting an error message, after
> replacing the Black cartridge. I get a message of "Incorrect
> Installation." Sometimes, removing the cartridge several times
> and reinstalling gets rid of the message. However, two days
> ago, I put in a new Black cartridge. Every time I got the
> error message. I took out the cartridge and put it back in.
> After a dozen attempts, I'm still getting the error message.
>
> What am I missing? Is my printer getting ready to quit on me?

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