Hello.
Thank you for reaching out regarding your Samsung - 5.8 Cu. Ft. Electric Flex Duo Self-Cleaning Fingerprint Resistant Slide-In Smart Range with Convection on how to clean the oven. Regarding your concern, there are two ways to clean the oven, either via self-cleaning or steam cleaning. For the step-by-step guide, I will be providing you with the link to your user manual. Please go to pages 50 to 53.
https://downloadcenter.samsung.com/content/UM/201904/20190417144045179/NE58K9850WS_AA_DG68-00723A-06_EN-MES-CFR.pdf
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
Thank you for being a valued customer of Samsung. Have a great day.
Reference Ticket Number: 1144201453
^Camille