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ARDF DF3090 (D779)

TABLE OF CONTENTS

1. REPLACEMENT AND ADJUSTMENT 1

1.1 DOCUMENT FEEDER 1

1.1.1 ORIGINAL FEED UNIT 1

1.2 EXTERIOR COVERS AND ORIGINAL TRAY 2

1.2.1 REAR COVER 2

1.2.2 FRONT COVER AND ORIGINAL TRAY 3

1.3 SENSORS AND SWITCH 4

1.3.1 ORIGINAL LENGTH SENSORS AND ORIGINAL SENSOR 4

1.3.2 ORIGINAL SET SENSOR 5

1.3.3 ORIGINAL WIDTH SENSORS AND SKEW CORRECTION SENSOR 7

1.3.4 ORIGINAL EXIT SENSOR 7

1.3.5 REGISTRATION SENSOR 9

1.3.6 DF POSITION SENSOR 9

1.3.7 LEFT COVER SWITCH 10

1.4 MOTORS, SOLENOIDS, AND CLUTCHES 11

1.4.1 FEED MOTOR 11

1.4.2 TRANSPORT MOTOR 13

1.4.3 STAMP SOLENOID 14

1.4.4 PICK-UP SOLENOID 16

1.4.5 INVERTER SOLENOID 16

1.4.6 FEED CLUTCH 17

1.5 BELT AND ROLLERS 18

1.5.1 FEED BELT 18

1.5.2 PICK-UP ROLLER 19

1.5.3 SEPARATION ROLLER 20

1.6 BOARD 21

1.6.1 ARDF DRIVE BOARD 21

2. DETAILED DESCRIPTIONS 22

2.1 ARDF DF3090 (D779) 22

2.1.1 PARTS LAYOUT 22

2.1.2 MECHANISM 24

Original Detection 24

Original Size Detection / Original Set Detection Mechanism 24

Paper Feed / Separation Mechanism 26

Skew Correction Mechanism / Registration Mechanism 27

2.1.3 SP6-901-002 (SETTING TO GIVE PRIORITY TO STACKABILITY) 30

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