Ricoh SP 8400DN Field Service Manual page 1843

Folding Transport Motor............................................................................................................................. 68
Booklet Tray Full Sensor 1, 2......................................................................................................................69
Stapler Transfer Motor (Middle)................................................................................................................ 70
Paper Bundle Transport Lower Pressure Release HP Sensor....................................................................71
Boards............................................................................................................................................................... 73
Main Controller Board................................................................................................................................ 73
2. Detailed Descriptions
Booklet Finisher SR3220 / Finisher SR3210 (D3B9/D3B8)......................................................................75
Changes from the Previous Machine......................................................................................................... 75
Paper exit guide.................................................................................................................................. 75
Stapleless Stapler (Finisher SR3210 only)........................................................................................76
SP6-160-004 (Replacement Mode for Service)............................................................................. 87
Parts Layout.................................................................................................................................................. 89
Drive layout..........................................................................................................................................91
Electrical component layout............................................................................................................... 93
Mechanisms................................................................................................................................................. 99
Separation mechanism....................................................................................................................... 99
Proof tray transport........................................................................................................................... 100
Proof tray full detection.................................................................................................................... 100
Shift tray ascent/descent mechanism............................................................................................. 101
Shift tray full detection...................................................................................................................... 102
Shift mechanism................................................................................................................................ 102
Booklet tray....................................................................................................................................... 103
Stapled paper eject mechanism...................................................................................................... 104
Booklet stitching mechanism............................................................................................................ 110
Punch Unit PU3050 (D717)......................................................................................................................... 114
Changes from the Previous Machine.......................................................................................................114
Parts Layout................................................................................................................................................114
Mechanism.................................................................................................................................................115
Skew Correction............................................................................................................................... 115
Registration........................................................................................................................................116
Punch hole alignment adjustment.................................................................................................... 116
Paper position detection...................................................................................................................117
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