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Introduction

Use this guide to replace the broken buttons to get back full functionality of your printer.

What you need

Step 1 Rear and Side Panel

Canon Pixma MP480 Buttons Replacement, Rear and Side Panel: step 1, image 1 of 2

Canon Pixma MP480 Buttons Replacement, Rear and Side Panel: step 1, image 2 of 2

Remove the two 7.9 mm screws using a Phillips #1 screwdriver.

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Step 2

Lift up the back cover to remove it.
You may need to lift firmly as it requires quite a bit of force.

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Step 3

Open the front tray.

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Step 4

Open the scanner compartment.
Make sure the blue lever locks into place to keep the compartment open.

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Step 5

Remove the blue lever from its slot by pushing it back and twisting clockwise.
Close the scanner compartment and cover.

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Step 6

Pry open the side cover with the plastic opening tool.

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Step 7

Flip the printer over so that the bottom of the printer is facing you.
Use the plastic opening tool to remove the corner of the side panel from the plastic pin.

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Step 8

Use the plastic opening tool to loosen the side panel from the bottom of the printer.

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Step 9 LCD

Canon Pixma MP480 Buttons Replacement, LCD: step 9, image 1 of 2

Canon Pixma MP480 Buttons Replacement, LCD: step 9, image 2 of 2

Using the plastic opening tool, pry off the top cover of the LCD assembly.
Pry around the front and side edges for the easiest removal.

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Step 10

After removing the top cover of the LCD assembly, remove the LCD using the plastic opening tool.

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Step 11

Gently pull the ribbon cable to remove the LCD completely.

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Step 12 Buttons

Canon Pixma MP480 Buttons Replacement, Buttons: step 12, image 1 of 1

Locate the buttons on the top of the printer.

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Step 13

Using the plastic opening tool, gently pry under the button cover to remove it from its fixture.

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Step 14

Remove the five 7.7 mm screws using a Phillips #1 screwdriver.

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Step 15

Using the plastic opening tool, gently pry around the cover behind the LCD screen to remove it from its fixture.

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Step 16

Remove the two 7.8 mm screws using a Phillips #1 screwdriver.

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Step 17

Gently pull the LCD screen up to remove it from its fixture.

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Step 18

Use the plastic opening tool to pry off the plastic button assembly.

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Step 19

Gently pull the plastic button assembly up to remove it.
The plastic button assembly has a ribbon cable connected on the bottom, so be careful pulling it.

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Step 20

Remove the ribbon cable connected to the backside of the plastic button assembly.

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Step 21

Remove the seven 8.7 mm screws using the Phillips #1 screwdriver.

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Step 22

Canon Pixma MP480 Buttons Replacement: step 22, image 3 of 3

Locate the spring that holds the PCB in place on the bottom left of the plastic button assembly.
Gently lift the spring and pull the board out of its plastic button assembly.

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