HP Photosmart Premium All-in-One Printer - C309 User Guide - Page 136

cleaning materials and not with your finger., on both sides of the ink nozzles

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Chapter 12 5. Remove the printhead by lifting it straight up. Solve a problem 6. Clean the printhead. There are three areas of the printhead that need to be cleaned: the plastic ramps on both sides of the ink nozzles, the edge between the nozzles and the electrical contacts, and the electrical contacts. 1 Plastic ramps on the sides of the nozzles 2 Edge between nozzles and contacts 3 Electrical contacts CAUTION: Touch the nozzle and the electrical contact areas only with cleaning materials and not with your finger. 134 Solve a problem

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5.
Remove the printhead by lifting it straight up.
6.
Clean the printhead.
There are three areas of the printhead that need to be cleaned: the plastic ramps
on both sides of the ink nozzles, the edge between the nozzles and the electrical
contacts, and the electrical contacts.
1
Plastic ramps on the sides of the nozzles
2
Edge between nozzles and contacts
3
Electrical contacts
CAUTION:
Touch the nozzle and the electrical contact areas
only
with
cleaning materials and not with your finger.
Chapter 12
134
Solve a problem
Solve a problem