Oh you printed and mailed it? Mailed returns don't get Accepted or Rejected. So you don't get any notification unless you mailed it with a tracking number from the post office.
They just started opening the mail in June that's been stacking up. So you have to keep waiting.
See this IRS page for the latest information
https://www.irs.gov/newsroom/irs-operations-during-covid-19-mission-critical-functions-continue
