HP Photosmart Premium C309 - Manual (Page 130)

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.
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.
9. Carefully lower the latch handle.
NOTE: Make sure you lower the latch handle before reinserting the ink
cartridges. Leaving the latch handle raised can result in incorrectly seated ink
cartridges and problems printing. The latch must remain down in order to
correctly install the ink cartridges.
10. Using the colored shaped icons for help, slide the ink cartridge into the empty slot
until it clicks into place and is seated firmly in the slot.
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