I recently wanted to check a printhead and wasn't thinking. I did a print head replacement function. Instead of moving the carraige to the center. I took the printhead out, put it back in and now the printer thinks the new head wasn't put in which it wasn't. It is still seeing the old head and wants the new one. How can I reset this problem. I don't want to replace the head it has very little time on it. I just need to somehow reverse the replacement.