6.Carefully unplug the cable from the printhead as shown. The printhead is sensitive to static electricity, which can damage the printhead or reduce its life. Ground yourself by touching some metal, such as the printer’s metal base, before touching the printhead.
7.Carefully plug the cable into the new printhead.
8.Align the new printhead with the tabs.
9.Snap the printhead into place.
Do not touch here 
