I've tried (1) forcing the printhead to the left and forcing the lid closed as it passes the halfway mark. I've tried (2) pushing the on/copy/print/scan/memory buttons multiple times as I turn on. And I've tried replacing the printhead. The B200 erro...
We ended up dumping the MX860 printer. I was never able to sold the problem. And we decided to upgrate to a Canon megatank printer, so we don't have to change one of 5 ink cartridges everytime we turn around. So far, we're pleased. Good luck to you.