Difficulty
Moderate
Steps
9
Time Required
20 - 30 minutes
Sections
1
- Glass Scanner Bed
- 9 steps
Flags
0
BackHP Envy 4520
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Introduction
What you need
Step 1
Glass Scanner Bed
- Lift the entire scanner bed up.
Lift the entire scanner bed up.
1024
Step 2
- Remove the T10, 13 mm center screw.
Remove the T10, 13 mm center screw.
Step 3
- Remove the large flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling away from the mother board.
- Remove the small flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling away from the mother board.
Remove the large flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling away from the mother board.
Remove the small flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling away from the mother board.
Step 4
- Remove the clip holding the scanner bed up by using the plastic opening tools. Prying the clip away from the the side of the scanner bed.
Remove the clip holding the scanner bed up by using the plastic opening tools. Prying the clip away from the the side of the scanner bed.
Step 5
- Remove the six 14 mm T10 Hex screws from the main plastic frame.
Remove the six 14 mm T10 Hex screws from the main plastic frame.
Step 6
- Using the plastic opening tools, pry between the outer shell and the main plastic frame.
Using the plastic opening tools, pry between the outer shell and the main plastic frame.
Step 7
- Remove the black flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling it away from the port.
- Lift the scanner bed in an upward motion out of the printer.
Remove the black flat ribbon cable by pinching the top and bottom of the cable between thumb and index finger and pulling it away from the port.
Lift the scanner bed in an upward motion out of the printer.
Step 8
- Remove the nine 14 mm T10 Hex screws located around the edge of the scanner bed (Bottom).
- Pry the two plastic flanges outward to release the glass scanner bed.
Remove the nine 14 mm T10 Hex screws located around the edge of the scanner bed (Bottom).
Pry the two plastic flanges outward to release the glass scanner bed.
Step 9
- Remove the glass scanner bed.
- Then to reassemble align the small gear with the track and gently push down.
Remove the glass scanner bed.
Then to reassemble align the small gear with the track and gently push down.
To reassemble your device, follow these instructions in reverse order.
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Author
with 2 other contributors
Sage Davis
Member since: 09/26/2018
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Team
Eastern Washington University, Team S1-G6, Carnegie Fall 2018
Member of Eastern Washington University, Team S1-G6, Carnegie Fall 2018
EWU-CARNEGIE-F18S1G6
4 Members
8 Guides authored
Jack Smith - Jul 6, 2019
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step 4 - Remove the clip holding the scanner bed up by using the plastic opening tools. Prying the clip away from the the side of the scanner bed.
That clip is designed to be pulled toward the front of the printer to be released from the pin. And push the arm toward the back to snap back in place.
