HP Photosmart 5520 Maintenance

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Introduction

This guide will help you to remove the print head and to clean the printer : the print head park slot is usually full of ink and dust melted.

What you need

Step 1 Centering the printhead

HP Photosmart 5520 Maintenance, Centering the printhead: step 1, image 1 of 2

HP Photosmart 5520 Maintenance, Centering the printhead: step 1, image 2 of 2

Turn on the printer
Lift up the scanner glass and the top cover, then the printerhead is centered in the printer case
Remove the ink cartridges.
Unplug the printer but do not turn off with the front I/O button. Otherwise the printhead will return to its park slot.
Use adhesive tape to fix together the scanner glass and the cover

Step 2 Removing the top cover

HP Photosmart 5520 Maintenance, Removing the top cover: step 2, image 1 of 2

HP Photosmart 5520 Maintenance, Removing the top cover: step 2, image 2 of 2

Gently pull on the hook. Retain the scanner glass and the cover once the hook is removed.

Step 3 Removing the printer hood

HP Photosmart 5520 Maintenance, Removing the printer hood: step 3, image 1 of 3

HP Photosmart 5520 Maintenance, Removing the printer hood: step 3, image 2 of 3

HP Photosmart 5520 Maintenance, Removing the printer hood: step 3, image 3 of 3

Unscrew the 7 torx screws. Do not forget the one under the printer label (You have to remove the printer label. Lower right corner).
Push the clips at the rear of the LCD panel and pull the LCD panel outwards at the same time
Then, pull the ribbon connected to the LCD panel to disconnect the LCD panel from the printer.
Remove the 2 remaining torx screws hidden by the LCD panel
See where are clips (Blue arrows)

Step 4

Now the cover can be removed and expose the inner workings of the printer.

Step 5 Removing the print head

HP Photosmart 5520 Maintenance, Removing the print head: step 5, image 1 of 3

HP Photosmart 5520 Maintenance, Removing the print head: step 5, image 2 of 3

HP Photosmart 5520 Maintenance, Removing the print head: step 5, image 3 of 3

Remove the springs that maintain the print head.
Remove the print head by pulling on the ribbons.
In case you want to replace the print head, the spare part reference is: CN688A
When inserting the print head after cleaning or replacing, make sure the horizontal plastic ribbon is between the plastic guides, as shown in the last picture.

Step 6 Cleaning the print head park slot

HP Photosmart 5520 Maintenance, Cleaning the print head park slot: step 6, image 1 of 3

HP Photosmart 5520 Maintenance, Cleaning the print head park slot: step 6, image 2 of 3

HP Photosmart 5520 Maintenance, Cleaning the print head park slot: step 6, image 3 of 3

The printer has an automatic feature to clean the print head. Usually, there is a lot of ink (Probably melt with dust) in the area where the print head is cleaned
Remove the 5 torx screw as shown in the picture
Assuming the print head is now removed (Not shown on the picture), now gently tip the plastic plate and remove it
If you didn't put gloves yet, it is time to do it !
Now, push the carriage that holds the print head cleaning system (Red arrows)
The carriage that holds the print head cleaning system is now clean (Last picture)