HP Photosmart Premium C309g Scanner Glass Replacement

Open the top of the printer. The printer should appear as shown.

Use the blue plastic opening tool to pry the trim pieces all the way around the printer.

Loosen the pieces around the edges before pulling to remove from the printer.

Pull the (4) trim pieces off and set them aside.

Using the blue plastic opening tool, pull from the middle and then slide back to remove the side panels.

Using the T9 Torx Security screwdriver bit, unscrew the five 12mm screws shown.

The scanner flap is attached by a clip that can be dislodged by pulling it gently away from the printer.

Keeping the scanner flap upright, slide it toward the unattached clip in order to dislodge the second clip.

Both clips will come unattached and you can set the scanner flap aside.

Lift the scanner glass piece from the printer.

Pull off the glass and re-set new piece of glass.