I found the solution in my case. When you print out a nozzel check pattern make sure there are a total of nine (9) line items: one that shows PGBK black that has lines at the top, three shades of cyan, three shades of megenta, one shade of yellow a...
I'm having the same problems as the others...no printing black in 'some' but not all documents. Photos print fine as well as web pages. However, spreadsheets and .PDF documents do not...they only print the color text. If I print the same document ...
