So this is my first time using this and I’m curious after it says it’s been accepted so I have to print out and mail to IRS or do they receive it? Does it normally take a while for them to e

If you e-filed your return and are seeing the message accepted, there isn't anything else you need to do. It can take the IRS and your state about 21 days to process and release your refunds. You can track your refund here: https://www.irs.gov/refunds