Bambu Lab X1E Quick Start Manual page 7

Step 10: Install the touchscreen
Carefully connect the ribbon cable to the touchscreen. You may need to gently pull the
ribbon cable, so handle it with caution to avoid damage. When inserting the ribbon cable,
ensure the correct orientation and try to insert it vertically. If you need to remove it, make
sure to press the buttons on both sides to release the metal latch.