In your Sharp MX-4071 printer/scanner you are able to name your filename when scanning your document (example.pdf, etc) rather than the default scanning file name with random characters.
Here are the steps to name or customize your filename on your Sharp printer and scanner:
On the Sharp device screen select FTP/Desktop.
Select Address Book and select the destination. Then press OK.
Then select the Filename white bubble. Use the printer’s keyboard to type the Filename of your liking. Then press OK.
And viola! No need to edit the Filename on your computer, you can do it straight on the device.