Load the original.
Tap [User Box].
Tap [System] - [Annotation].
Select a User Box in which to save a file, then tap [Save].
Set file save options if necessary.
For detailed optional settings, refer to Here.
Press the Start key.
The file is saved.
You can read a document in Copy mode and save its data in the User Box.
For details, refer to Here.
When specifying to print using the printer driver, you can specify a User Box number and store the print data in the box.
For details, refer to Here.