1. Remove the screws of the upper and lower cover press plate, remove the upper press plate and remove thelower bottom shell.
2. Press the screen gently with your finger, pull the screen adapter from the bottom shell, please pay attention to the interface direction and the position of the interface.
3. Take out a new screen ,install it and connect up the wiring, select an empty print file in the printer , test whether the screen can transmit light normally, then install the machine cover back and lock the screw after confirming there is no problem.