The Duplo DSF-CFL is an optional cover feeder module for Duplo's DSF-6000 Sheet Feeder and other systems, which allows feeding separate cover sheets to a document, or feeding both cover and inner sheets for landscape booklets, processing paper sizes up to 14" x 24". This accessory is part of a complete booklet making system, enabling users to create high-quality, professional booklets by enhancing the versatility of the main DSF-6000 sheet feeder.