Hi Zayda,
Thank you for sharing your experience with the washer. We understandyour frustration caused by discovering stains on your laundry. Your satisfaction is paramount to us, and we are dedicated to assisting you in promptly resolving this matter.
To help you clean the appliance, please see pages 46-47 of the manual under the "SELF CLEAN reminder," "Cleaning the exterior," and "Cleaning the interior."
You can also check the link below, select the best description of the stain you experience, and follow the steps to help improve the washing capability of the washing machine.
Laundry is stained or damaged after Samsung Washing Machine
https://www.samsung.com/us/support/troubleshooting/TSG01108628/
Clothes are not clean after washing in Samsung washing machine
https://www.samsung.com/us/support/troubleshooting/TSG01108627/
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/Samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.Samsung.com/t5/Samsung-Community/ct-p/us
When you message us, please provide us with this reference number (1147119956) to help our team gather your information.
Have a great day.
^Charles