It is absolutely possible to print text messages from Android, even though Google doesn’t provide an obvious way to do it. As convenient as a big print button in the Messages app would be, that’s not how it works. You can print one, some, or all of your texts directly from your phone or from your computer.
How to Print Android Text Messages for Court or Other Legal and Archiving Purposes (2 Ways)
Take a screenshot of your texts if you want to capture everything you see on the screen, including back-and-forth responses. After you take the screenshot on Android, you can crop it if you want to hide parts of it and then print it directly from your Android phone.
If you can’t print from your phone, it may be that your printer isn’t wireless. In that case, you can email it to yourself and print from a desktop computer.
Check out our How to Send a Picture in Gmail guide if you need help attaching the screenshot to an email. Our Easy Way to Print a Single Gmail Message guide explains how to print the screenshot from your computer. Other email accounts work in a similar way, even if you don't use Gmail.