Follow few simple steps shown as below to print text messages from android:-
Step 1: First Download and Install: Mobile Print-PrintShare from Google play store on your Android device and open it.
Step 2: First, you have to connect your printer to your Android Via USB or Nearby WiFi or PrinterShare Remote.
Step 3: Open the app and you will see options like pictures, contacts, calendar, messages etc. now you have to select the one option which you want to take a print.
Step 4: We have to print android text messages so we have to select messages option.
Step 5: All your messages open, now you have to check mark on a particular message which you want to take a print.
Step 6: Click on the print option, you will see a print preview of your messages.
Step 7: Change the page set up as per your requirement, Finally click on Print button.
 This is one of the simplest ways to print text messages in android.