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How to lubricate the HP Photosmart c4780 printhead track

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How to lubricate the HP Photosmart c4780 printhead track: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 How to lubricate the HP Photosmart c4780 printhead track: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

  • Carefully, apply a small amount of grease to the metallic printhead track.

  • You can either use your bare finger or wear a latex glove when applying the grease.

  • The grease will reduce the friction between the track and the printhead, improving mobility.

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