You can save data to Storage at the same time as printing. You can also just save data to Storage.
Connect the memory device to the printer's external interface USB port.
Select Memory Device on the home screen.
Select the file type and the file you want to save.
Select the Advanced tab, and then select File Storing.
Select On as the File Storing setting.
Specify the folder, and then change the other settings as necessary.
Advanced Menu Options for JPEG Settings
Advanced Menu Options for TIFF Settings
Advanced Menu Options for PDF Settings
Select whether or not to perform printing at the same time as saving the data to Storage in the Setting option.
Tap .