If you want to scan the signed image with handprint and send it to others, you can first find a scanner or copier with scanning function, press the handprint on the document to be signed, and then take the signed page with handprint to the copier for scanning.
You can scan it with a printer with scanning function and send it to the other party, or you can download a scanning APP on your mobile phone and scan it to the other party through your mobile phone.