Ricoh B064 Service Manual page 639

B470 COVER INTERPOSER TRA
1. REPLACEMENT AND ADJUSTMENT............................................1
1.1 EXTERNAL COVERS .................................................................................. 1
1.2 FEED UNIT AND PICK-UP ROLLER ........................................................... 2
1.3 FEED BELT .................................................................................................. 3
1.4 GUIDE PLATE ADJUSTMENT..................................................................... 4
1.5 MAIN BOARD............................................................................................... 5
1.6 MOTOR REPLACEMENT ............................................................................ 6
1.6.1 VERTICAL TRANSPORT MOTOR...................................................... 6
1.6.2 BOTTOM PLATE LIFT MOTOR .......................................................... 6
1.6.3 FEED MOTOR, TRANSPORT MOTOR .............................................. 7
2. DETAILS .........................................................................................8
2.1 OVERVIEW .................................................................................................. 8
2.1.1 MAIN LAYOUT .................................................................................... 8
2.1.2 DRIVE LAYOUT .................................................................................. 9
2.1.3 PAPER SIZE DETECTION................................................................ 10
2.1.4 PAPER PATH.................................................................................... 13
2.2 PAPER FEED............................................................................................. 14
Power On............................................................................................... 14
Paper Separation and Feed................................................................... 14
Bottom Tray Lift ..................................................................................... 14
Paper Near-end ..................................................................................... 14
Paper End.............................................................................................. 14
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B470