The document discusses the Fujitsu fi-5950 scanner's Intelligent MultiFeed Function (iMFF), which uses three independent ultrasonic sensors to detect overlapping pages and control the scanning process. It describes the three iMFF modes - Manual, Auto 1, and Auto 2 - and provides examples of medical records, EKG strips, and receipts to illustrate how iMFF can handle different types of documents with attached items or varying formats.