How To Lubricate The Hp Photosmart C4780 Printhead Track Repair Guide

Difficulty

Easy

Steps

11

Time Required

                          10 - 15 minutes            

Sections

2

• Outer Shell Disassembly
• 10 steps
• How to lubricate the HP Photosmart c4780 printhead track
• 1 step

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The steps in this guide should be split up and made into a series of prerequisite guides.

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Introduction

What you need

Step 1

              Outer Shell Disassembly               

• Unplug the device from any energy sources.
• Lift the top cover of the scanner.
• Use a plastic opening tool to remove the plastic frame surrounding the glass.

Unplug the device from any energy sources.

Lift the top cover of the scanner.

Use a plastic opening tool to remove the plastic frame surrounding the glass.

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Step 2

• Carefully pull the frame away from the glass.
• If it doesn’t remove easily, use the iFixit Opening Tool again to pry stuck sections.

Carefully pull the frame away from the glass.

If it doesn’t remove easily, use the iFixit Opening Tool again to pry stuck sections.

Step 3

• Use a T10 screwdriver to unscrew the two screws that fasten the frame to the printer hood.

Use a T10 screwdriver to unscrew the two screws that fasten the frame to the printer hood.

Step 4

• Put your finger behind the panel with the power button.
• Then, pull the piece outwards.

Put your finger behind the panel with the power button.

Then, pull the piece outwards.

Step 5

• Unscrew the screw inside the power button panel space.
• Then, unscrew the screw that is across the printer slider.

Unscrew the screw inside the power button panel space.

Then, unscrew the screw that is across the printer slider.

Step 6

• Pull the white circuit board outwards which is located under the small screen.
• Unplug the small ribbon cable from the circuit board.
• Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

Pull the white circuit board outwards which is located under the small screen.

Unplug the small ribbon cable from the circuit board.

Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

Step 7

• Unplug the small ribbon cable from the circuit board. Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

Unplug the small ribbon cable from the circuit board. Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

Step 8

• Pull the memory card reader’s circuit board out.
• Detach the white wiring connector from the back of the circuit board.
• You may need to use a finger nail or a plastic opening tool to detach the white wiring connector from the circuit board.

Pull the memory card reader’s circuit board out.

Detach the white wiring connector from the back of the circuit board.

You may need to use a finger nail or a plastic opening tool to detach the white wiring connector from the circuit board.

Step 9

• Put your finger behind the small screen.
• Then, pull it up.
• Do not hesitate to use force to remove the TouchSmart panel.
• Disconnect the ribbon cable from the small screen.

Put your finger behind the small screen.

Then, pull it up.

Do not hesitate to use force to remove the TouchSmart panel.

Disconnect the ribbon cable from the small screen.

Step 10

• Pull the printer hood upward.

Pull the printer hood upward.

Step 11

              How to lubricate the HP Photosmart c4780 printhead track               

• 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.

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.

To put the printer back together, follow these instructions in reverse order.

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                    Renee Lamb                     

Member since: 09/26/2012

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                       Cal Poly, Team 2-11, Propen Fall 2012                        

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Hugo Hofer - Mar 17, 2018

Reply

The question is how to clean the Printer Head, unfortunately the site refers you to this page which deals with lubricating the track. It does not address the cleaning question or provide any guidance.