Ricoh G188 Service Manual page 806

2.1.1 GENERAL LAYOUT ...........................................................................22
2.1.2 ELECTRICAL COMPONENTS ...........................................................24
2.1.3 SUMMARY OF ELECTRICAL COMPONENTS..................................28
2.1.4 DRIVE LAYOUT .................................................................................38
2.2 JUNCTION GATES......................................................................................40
2.2.1 PROOF MODE ...................................................................................40
2.2.2 SHIFT MODE......................................................................................40
2.2.3 STAPLE MODE ..................................................................................41
2.3 PRE-STACKING ..........................................................................................42
2.4 TRAY MOVEMENT MECHANISM ...............................................................44
2.4.1 UPPER TRAY .....................................................................................44
2.4.2 LOWER TRAY (B804 ONLY)..............................................................46
2.5 CORNER STAPLING...................................................................................49
2.5.1 STACKING AND JOGGING ...............................................................49
2.5.2 STAPLER MOVEMENT......................................................................50
2.5.3 CORNER STAPLING..........................................................................52
2.6 BOOKLET STAPLING (B804 ONLY)...........................................................53
2.6.1 BOOKLET PRESSURE MECHANISM ...............................................53
2.6.2 BOOKLET STAPLING AND FOLDING...............................................54
2.6.3 BOOKLET STAPLING AND FOLDING MECHANISMS......................60
2.7 UPPER TRAY OUTPUT ..............................................................................63
2.7.1 FEED OUT..........................................................................................63
2.7.2 FEED OUT STACKING ......................................................................64
2.8 PUNCH UNIT B702 (FOR B804/B805)........................................................65
2.8.1 OVERVIEW OF OPERATION ............................................................65
2.8.2 PUNCH MECHANISMS......................................................................67
2.8.3 PUNCH HOPPER MECHANISM ........................................................70
2.9 FINISHER JAM DETECTION ......................................................................72
B804/B805/D373/D374 ii SM