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PAPER FEED UNIT PB3150 (D694)

TABLE OF CONTENTS

1. REPLACEMENT AND ADJUSTMENT 1

1.1 REAR COVER 1

1.1.1 THE AIM OF ANTI-TIP COMPONENTS AND PRECAUTIONS 1

1.1.2 REAR COVER 1

1.2 TRAY LIFT MOTOR 2

1.2.1 TRAY LIFT MOTOR 2

1.3 TRANSPORT MOTOR 3

1.3.1 TRANSPORT MOTOR 3

1.4 PAPER FEED MOTOR 3

1.4.1 PAPER FEED MOTOR 3

1.5 CONTROLLER BOARD 4

1.5.1 CONTROLLER BOARD 4

1.6 TRANSPORT SENSOR, LIMIT SENSOR, PAPER END SENSOR, PAPER FEED SENSOR 5

1.6.1 TRANSPORT SENSOR, LIMIT SENSOR, PAPER END SENSOR, PAPER FEED SENSOR 5

1.7 PAPER FEED UNIT 8

1.7.1 PAPER FEED UNIT 8

1.8 PICK-UP ROLLER, FEED ROLLER, FRICTION ROLLER 11

1.8.1 PICK-UP ROLLER, FEED ROLLER, FRICTION ROLLER 11

2. DETAILED DESCRIPTIONS 13

2.1 PAPER FEED UNIT PB3150 (D694) 13

2.1.1 PARTS LAYOUT 13

2.1.2 MECHANISM 15

Paper feed separation mechanism 15

Drive mechanism 15

Separation roller/pick-up roller release mechanism 15

Paper feed transport mechanism 16

Tray bottom plate lift 17

Paper size detection 18

Remaining paper/paper end detection 20

SM i D694

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