How do I check if my HP cp1700 printer has a printing problem? To diagnose problems and replace your printhead for your HP cp1700 series printer. You can follow the steps found at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=bpd50272&jumpid=reg_R1002_USEN.