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2. DETAILED SECTION DESCRIPTIONS 24
2.1 COMPONENT LAYOUT 24
2.1.1 GENERAL LAYOUT 24
Paper direction 24
Proof tray 25
Upper tray 25
Pre-stack tray 25
Lower tray 25
2.1.2 ELECTRICAL COMPONENTS 26
Upper Area B804/B805 26
Lower Area B804/B805 27
Punch Unit B702 28
Stacker/Stapler - B804/B805 29
B804 Fold unit 30
2.1.3 SUMMARY OF ELECTRICAL COMPONENTS 31
2.1.4 DRIVE LAYOUT 41
2.2 JUNCTION GATES 42
2.2.1 PROOF MODE 42
2.2.2 SHIFT MODE 42
2.2.3 STAPLE MODE 43
2.3 PRE-STACKING 44
2.4 TRAY MOVEMENT MECHANISM 46
2.4.1 UPPER TRAY 46
2.4.2 LOWER TRAY (B804 ONLY) 48
2.5 CORNER STAPLING 51
2.5.1 STACKING AND JOGGING 51
2.5.2 STAPLER MOVEMENT 52
2.5.3 CORNER STAPLING 53
2.6 BOOKLET STAPLING (B804 ONLY) 54
2.6.1 BOOKLET PRESSURE MECHANISM 54
2.6.2 BOOKLET STAPLING AND FOLDING 55
Overview 55
2.6.3 BOOKLET STAPLING AND FOLDING MECHANISMS 61
2.7 UPPER TRAY OUTPUT 64
2.7.1 FEED OUT 64
2.7.2 FEED OUT STACKING 65
2.8 PUNCH UNIT B702 (FOR B804/B805) 66
2.8.1 OVERVIEW OF OPERATION 66
Skew Correction before Punching 66
Punch Unit Position Correction 67
2.8.2 PUNCH MECHANISMS 69
Paper Position Detection 69
Punch Unit Movement 70
Punch Selection and Firing 71
2.8.3 PUNCH HOPPER MECHANISM 72
2.9 FINISHER JAM DETECTION 73