Be sure to add me to your favorites list Original Roland Owner's Manual for the DEP-3 Midi Digital Effects Processor Rack Unit. This is an original Roland owner's / user's manual for the DEP-3 rack mounted midi digital effects unit. It is an original manual in very good condition, with only a little wear on the covers, and none on the pages. Original Roland document, printed in Japan, from 1987. I have 2 of these available at this time. This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them. Thanks for looking! Check out my Store!