This is often a symptom of links that are missing or out-of-date so check the Links panel. Scaling too large can also cause this, so check the effective resolution value.
If it's neither of those^, and you're printing directly from InDesign, go to Print > Graphics > Image > Send Data: > and choose "All."
Or better yet, export to PDF and print from Acrobat.
Thank you Peter for your help! I have already checked all of these items.
I really appreciate your help!!!!
You may have saved my life!! LOL This end of the year project has to be completed for my students!! I really appreciate your help!!!!!!!!! I am not sure why this all of a sudden has been not working correctly, but this did the trick!!!!
Thank you so much!!!!