When printing , black does not show. I followed directions in the troubleshooting online. I cleaned the print heads,; bought a new printhead and installed it. Now the message reads: "alignent failed." How can I correct this? Color prints fine. Black is still missing. I'm using brand new cartridges. I recently upgraded to Mavericks and wonder if that is part of the problem. I have Photosmart Plus 210a. would like to fix the problem before giving up and buying a newprinter.
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