HP Officejet Pro K8600 Printer - Manual (Page 55)

6. Wipe the electrical contacts on the printhead but do not touch the nozzles.
CAUTION: The electrical contacts are small copper-color squares, grouped
on one face of the printhead.
The nozzles are on a different face of the printhead. Ink will be visible on the
nozzles.
Touching the nozzles can cause permanent nozzle damage. Also, ink can
permanently mark clothing.
7. After cleaning, place the printhead on a sheet of paper or paper towel. Make sure
the nozzles are facing up and are not in contact with the paper.
8. Clean the electrical contacts in the printhead slot inside the device with a clean,
dry, soft and lint-free cloth.
9. Plug in the power cord and turn on the device. The control panel should indicate
that the printhead is missing.
10. Insert the printhead into its color-coded slot (the label on the printhead must match
the label on the printhead latch). Press down firmly on the printhead to ensure
proper contact.
11. Pull the printhead latch all the way forward, and then press down to ensure that
the latch is properly engaged. You might have to apply some pressure to engage
the latch.
12. Where necessary, repeat the above steps for the remaining printhead.
13. Close the cover.
14. If the printhead light is still blinking, repeat the cleaning procedure described above
for the printhead which corresponds to the blinking printhead light.
Maintain the printheads 51