From your website, your customer can request a return from an existing order. He can select the reason for return (you can create as many reasons as you want) and type a comment. When a return is requested, your administration is notified via email
From the admin panel, you can accept or deny a return. When you accept a return the customer is notified and can print the RMA form from his customer account. When you receive products back into your warehouse you can easily inform customer with a processing status such as: product received, product being checked, waiting for supplier... etc.
From a RMA, you can process several actions on each product :