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1. REPLACEMENT AND ADJUSTMENT 1
1.1 COVERS AND TRAY 1
1.1.1 FRONT AND REAR COVER 1
1.1.2 ORIGINAL TRAY 2
1.2 DOCUMENT FEED COMPONENTS 3
1.2.1 PICK-UP ROLLER 3
1.2.2 FEED BELT 4
1.2.3 SEPARATION ROLLER 6
1.3 ELECTRICAL COMPONENTS 7
1.3.1 DF DRIVE BOARD 7
1.3.2 ORIGINAL LENGTH SENSORS AND TRAILING EDGE SENSOR 8
1.3.3 ORIGINAL SET, SEPARATION, SKEW CORRECTION AND SCANNING ENTRANCE SENSOR 9
1.3.4 ORIGINAL WIDTH SENSORS 10
1.3.5 REGISTRATION SENSOR 10
1.3.6 ORIGINAL EXIT SENSOR 11
1.3.7 DF POSITION SENSOR 12
1.3.8 COVER SENSOR 12
1.3.9 PICK-UP ROLLER HP AND ORIGINAL STOPPER HP SENSOR 13
1.3.10 STAMP SOLENOID 14
1.4 ORIGINAL FEED DRIVE 16
1.4.1 ADF FEED MOTOR 16
1.4.2 ADF INVERTER MOTOR 17
1.4.3 ADF TRANSPORT MOTOR 17
1.4.4 ADF PICK-UP MOTOR 18
2. DETAILED DESCRIPTIONS 19
2.1 COMPONENT LAYOUT 19
2.1.1 MECHANICAL COMPONENT LAYOUT 19
2.1.2 ELECTRICAL COMPONENT LAYOUT 20
Sensors and Drive Components 20
Electrical Component Descriptions 21
2.1.3 DRIVE LAYOUT 23
ADF Feed Motor 24
ADF Transport Motor and ADF Inverter Motor 24
2.2 BASIC OPERATION 25
2.2.1 ORIGINAL SIZE DETECTION 25
2.2.2 MIXED ORIGINAL SIZE MODE 27
Document length detection 27
Feed-in cycle 27
Normal feed-in 28
2.2.3 PICK-UP AND SEPARATION 28
2.2.4 SKEW CORRECTION 29
2.2.5 SLIP DETECTION 30
2.2.6 ORIGINAL TRANSPORT AND EXIT 31
Single-Sided Originals 31
Double-Sided Originals 31
Original Sensor 32
2.2.7 CONDITIONS FOR JAM DETECTION 33
3. SERVICE TABLES 34
3.1 DIP SWITCHES 34