Part 2: Technical Reference1. New Technology1-1 Basic Structure of Document-Paper Common Path Separation1-2 New Position of Contact Sensor ass'y1-3 ROM Version-up with USB connection1-4 Ink Level Detection Function1-5 FINE Cartridge Position Adjustment Function1-6 Cleaning Mode and SuctionPart 3: Appendix1. Block Diagram2. Position of Connector3. Specifications