Sometimes, the printer will just need to "reset" to remove the jam message.
Power off the printer
Unplug the printer from the wall outlet
Wait 1 minute
Plug the printer back in
Power on the printer
Do you still have the error message? If you continue to have the error, please take a look here: https://www.youtube.com/watch?v=HIYj2cMRg_w and here: https://www.youtube.com/watch?v=qCv5sv9gXKM to look for the jams.
If the issue continues, please reply back otherwise if you can take a minute and use the rating system to rate our session as 3 stars or higher and press Submit so I am credited with helping you.