open text message

then push both the volume and power button on your cell phone.

you will see a little flash or blink signaling a screen shot has been taken of the message.

you can now close text message.

open your phones pictures ( sometimes called gallery.)

select the three dots above the pic.

select print, just like you would print a picture from your cellphone.

make sure your cellphone is set up with your printer or attached to your printer and printer is turned on.