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SM i B470

COVER INTERPOSER TRAY B470

TABLE OF CONTENTS

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

Ricoh 4051 Service Manual

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