Support Owner’s Manuals Support Documents If you have questions about operating your Roland product, please check our Knowledge Base for answers to the most common questions. You can also contact our Product Support through Roland Backstage. In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference. Owner’s Manuals Owner's Manual Support Documents JP-8080 Patch Listing JP-8080 Performance Listing JP-8080 Synthesizer Modules