HP Officejet 6000 - Manual (Page 121)

7. Clean the electrical contacts inside the product.
To clean the electrical contacts in the product
a. Lightly dampen a clean, lint-free cloth with bottled or distilled water.
b. Clean the electrical contacts in the product by wiping with the cloth from top to
bottom. Use as many fresh, clean cloths as necessary. Clean until no ink shows
on the cloth.
c. Wipe the area dry with a dry lint-free cloth before proceeding to the next step.
8. Make sure the latch handle is raised, and then reinsert the printhead.
Errors (Windows) 117