Run an empty hot wash cycle with 2 cups of white vinegar
Sprinkle 1/2 cup of baking soda into the drum and run another hot cycle
Clean the detergent drawer and dispenser with warm soapy water
Wipe the door seal, gasket, and drum with a vinegar-dampened cloth
Remove and clean the lint filter or drain pump filter
Leave the door open after each wash to let the machine dry
Take out wet laundry promptly after the cycle ends
Use the correct amount of detergent to prevent residue buildup
Run a maintenance wash regularly on the hottest setting
Check and clean the drain hose if the smell persists