Brother EM-850fx User Manual page 45

Now that you have printed out the text, close the file and finish the job:
[42] Press the END key.
The file LETTER 1 is automatically saved with the same name on the same
storage location.
Now you have mastered the text processing techniques in the WP mode. Once
you store files, you can edit them later. Before you master the editing
techniques, you must know the file management. You can copy, delete, rename
files. Proceed to the next section to master the know-how of the file
management.
Or skip the next section and master the typewriting techniques in the TYPE
mode. To begin the tour of the typewriting mode, press the TYPE key.