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TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT 1
1.1 EXTERIOR COVERS 1
1.1.1 ADF FRONT COVER 1
1.1.2 ADF REAR COVER 3
1.1.3 FEED COVER 4
1.2 FEED UNIT 5
1.2.1 ORIGINAL FEED UNIT 5
1.3 SENSORS, FEELER, AND SWITCHES 6
1.3.1 ORIGINAL REGISTRATION SENSOR 6
1.3.2 ORIGINAL EXIT SENSOR 7
1.3.3 SEPARATION SENSOR, SKEW CORRECTION SENSOR 9
1.3.4 ORIGINAL WIDTH SENSOR, INTERVAL SENSOR 10
1.3.5 ORIGINAL LENGTH SENSORS 11
A4 LEF, LT LEF Sensor 12
1.3.6 APS FEELER 12
1.3.7 ADF LIFT INTERLOCK SWITCH, LIFT SENSOR 13
1.3.8 ORIGINAL SET SENSOR 14
1.3.9 BOTTOM PLATE HP SENSOR 15
1.3.10 BOTTOM PLATE POSITION SENSOR 15
1.3.11 ADF FEED COVER INTERLOCK SWITCH, PICK-UP ROLLER HP SENSOR.. 16 1.4 MOTORS 18
1.4.1 ADF ENTRANCE MOTOR 18
1.4.2 ADF SCANNING MOTOR 19
1.4.3 ADF EXIT MOTOR 20
1.4.4 ADF BOTTOM PLATE LIFT MOTOR 22
1.4.5 ADF PICK-UP ROLLER LIFT MOTOR, ADF TRANSPORT MOTOR 23
1.4.6 ADF FEED MOTOR 24
1.5 ROLLERS AND BELTS 26
1.5.1 PICK-UP ROLLER, TRANSPORT BELT 26
1.5.2 ADF SEPARATION ROLLER 28
1.6 BOARDS 29
1.6.1 ADF CONTROLLER BOARD 29
1.7 CIS UNIT 30
1.7.1 CIS UNIT 30
Reinstallation 32
1.7.2 CIS WHITE ROLLER CLEANING 33
1.8 ADJUSTMENT AFTER ADF REPLACEMENT 34
1.8.1 CHECKING THE VERTICAL REGISTRATION 34
1.8.2 CHECKING THE HORIZONTAL REGISTRATION 34
1.8.3 CHECKING SKEW 35
1.8.4 CHECKING MAGNIFICATION 35
1.8.5 PLATEN ADJUSTMENT 35
2. DETAILED DESCRIPTIONS 37
2.1 SPDF DF3100 (D3B0) 37
2.1.1 CHANGES FROM THE PREVIOUS MACHINE 37
2.1.2 PARTS LAYOUT 41
Cross-Section of the ADF Unit 41
Scanning Sequence 42
2.1.3 MECHANISM 43
Motors 43
Original Pick-up 44
Bottom Plate Lift 45
Original Feed and Separation Mechanism 46
Skew Correction Mechanism 47
Original Size Detection 48
Original Transport 50
Original Scanning 53
Jam Detection 54
2.1.4 ADF SC ERRORS 57
2.1.5 SP6-901-001 (SETTING TO GIVE PRIORITY TO STACKABILITY) 59