HP Photosmart C6340 All-in-One Printer - Manual (Page 285)

b. Use a fresh, lightly dampened, lint-free cloth to wipe any accumulated ink and
debris from the edge between the nozzles and the contacts.
c. Use a fresh, lightly dampened, lint-free cloth to wipe the plastic ramps on both
sides of the nozzles. Wipe away from the nozzles.
d. Wipe the previously cleaned areas dry with a dry lint-free cloth before
proceeding to the next step.
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.
Chapter 14
282 Troubleshooting
T
roub
les
hoot
ing