I'm getting this error (and the printer literally grinds to a halt) on my 4800 whenever it’s about to begin a print job, or even do a nozzle check. It started off as an intermittent problem that would go away for a week or two after I turned the printer off and on, but now I can't print because of it.
I've tried the obvious and easy fixes first – e.g. there are no paper jams or debris, the carriage lock isn't engaged, etc. Still no luck.
Suggestions?