Use a tool to remove the 4 screws off the upper hinge cover and then remove the latter.
Pry up the door bush and small end cap cover on the door.
Insert the door bush and door communication line into the hole on the door and then put on
the small end cap cover.
Use a tool to remove the 2 screws as shows in the below figure to remove the hole cover on
the cabinet top and get the cabinet communication line out of the hole.
Pry up the small end cap cover on the door and get out the door bush and door
communication line.
Insert the door bush into the round hole on the door and then put on the small end cap cover.
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