ContentsContents2.1 Basic Operation .................................................................................................................................................. 2-12.1.1 Basic Operation (Finisher Unit) .................................................................................................................. 2-12.1.2 Overview of the Electrical Circuitry (Finisher Unit) .................................................................................. 2-12.1.3 Basic Operation (Saddle Stitcher Unit) ....................................................................................................... 2-22.1.4 Overview of the Electrical Circuitry (Saddle Stitcher Unit) ....................................................................... 2-32.2 Feed Drive System ............................................................................................................................................. 2-52.2.1 Overview ..................................................................................................................................................... 2-52.2.2 Constraction of the Control System (Finisher Unit) ................................................................................... 2-62.2.3 Paper Delivery Path (Finisher Unit) ............................................................................................................ 2-82.2.4 Constraction of the Control System (Saddle Stitcher Unit) ...................................................................... 2-132.2.5 Paper Delivery Path (Saddle Stitcher Unit)............................................................................................... 2-152.2.6 Basic Operation (Saddle Stitcher Unit) ..................................................................................................... 2-162.2.7 Controlling the Inlet Flappers.................................................................................................................... 2-202.2.8 Controlling the Movement of Sheets......................................................................................................... 2-242.2.9 Controlling the Aligning the Sheets .......................................................................................................... 2-262.2.10 Controlling the Phase of the Crescent Roller .......................................................................................... 2-282.2.11 Overview of Folding Operation .............................................................................................................. 2-302.2.12 Controlling the Movement of Stacks....................................................................................................... 2-312.2.13 Folding a Stack ........................................................................................................................................ 2-322.2.14 Double Folding a Stack ........................................................................................................................... 2-352.3 Intermediate Process Tray Assembly ............................................................................................................... 2-382.3.1 Stack Job Offset......................................................................................................................................... 2-382.3.2 Processing Tray Paper Stacking Operation ............................................................................................... 2-392.3.3 Offset Operation ........................................................................................................................................ 2-392.3.4 Rear End Assist Operation ........................................................................................................................ 2-402.3.5 Stack Delivery Operation .......................................................................................................................... 2-412.4 Staple Operation ............................................................................................................................................... 2-422.4.1 Overview ................................................................................................................................................... 2-422.4.2 Stapler Unit................................................................................................................................................ 2-422.4.3 Shifting the Stapler Unit............................................................................................................................ 2-432.4.4 Stapling Operation..................................................................................................................................... 2-452.4.5 Stitcher Unit .............................................................................................................................................. 2-492.4.6 Stitching Operation.................................................................................................................................... 2-502.5 Stack Tray Operation........................................................................................................................................ 2-522.5.1 Tray Operation .......................................................................................................................................... 2-522.5.2 Shutter Operation ...................................................................................................................................... 2-552.6 Detecting Jams ................................................................................................................................................. 2-562.6.1 Detecting Jams (Finisher Unit).................................................................................................................. 2-562.6.2 Detecting Jams (Saddle Stitcher Unit) ...................................................................................................... 2-572.7 Power Supply ................................................................................................................................................... 2-612.7.1 Power Supply Route (Finisher Unit) ......................................................................................................... 2-612.7.2 Protection Function (Finisher Unit) .......................................................................................................... 2-612.7.3 Power Supply Route (Saddle Stitcher Unit).............................................................................................. 2-612.7.4 Protection Function (Saddle Stitcher Unit) ............................................................................................... 2-62