Open the Samsung front-load dryer door. If you're operating the dryer with the drying rack, grab the sides of the rack and lift it up. Pull the drying rack out of the dryer.
Grab the handle on top of the lint catcher screen. The lint catcher is on the bottom lip of the door opening and has a small handle toward the inside of the dryer.
Pull the lint catcher straight out of the lint duct. Remove the lint catcher from the dryer and clean lint off the screen. Insert the lint catcher back into the dryer duct opening until it snaps into place. The lint catcher only installs one way.