Rarely will you need to log out of Taplate.  Usually a restart of the tablet will solve any issues you may have.  Try restarting the tablet first before logging out of Taplate.

Logging completely out of Taplate is a two step process:​

​Step 1) Click the icon in top right corner

Enter your 6 digit restaurant code.

Step 2) ​Select the icon in top right of menu again, and then select the "power icon"

After selecting the power icon, you'll be exited to the main Taplate login screen and you have successfully logged out.​