Hi, elizabeth186. We are always happy to help. To further support your concerns I'm including the links to the troubleshooting guides:
1. https://bit.ly/2VKfFYx cleaning the refrigerator.
2. https://bit.ly/2SeUvj3 how to remove bins, shelves for cleaning.
3. https://bit.ly/2VHU1UM for refrigerator dispenser issues.
To order parts please contact J&J International, Samsung's official parts distributor for customers purchasing Samsung parts or accessories. To place an order you can go online at www.samsungparts.com, or by phone at 800-627-4368. J&J's hours of operation are 9:00 am - 8:30 pm EST, Monday – Friday. Thank you for being a part of the Samsung family. ^Shifa