Table Of Contents - Ricoh PB3280 Field Service Manual

Table of Contents

1. Detailed Descriptions .......................................................................................................................... 2
Changes from the Previous Machine ..................................................................................................... 2
Specifications.......................................................................................................................................... 3
Parts Layout ............................................................................................................................................ 4
Mechanism ............................................................................................................................................. 6
Paper Feed Separation Mechanism ................................................................................................... 6
Drive Mechanism ................................................................................................................................ 6
Friction Roller/ Pick-up Roller Release Mechanism ........................................................................... 6
Paper Feed Transport Mechanism ..................................................................................................... 6
Tray Base Plate Lift ............................................................................................................................ 7
Paper Size Detection .......................................................................................................................... 8
Remaining Paper Detection/Paper End Detection ............................................................................. 9
2. Replacement and Adjustment .......................................................................................................... 11
Exterior Cover ....................................................................................................................................... 11
The Aim of Anti-tip Components and Precautions ........................................................................... 11
Rear Cover ........................................................................................................................................ 11
Motors ................................................................................................................................................... 13
Tray Lift Motor 1 (M3) ....................................................................................................................... 13
Tray Lift Motor 2 (M4) ....................................................................................................................... 13
Transport Motor (M1) ........................................................................................................................ 13
Paper Feed Motor (M2) .................................................................................................................... 14
Board .................................................................................................................................................... 15
Controller Board (PCB1) ................................................................................................................... 15
Sensors ................................................................................................................................................. 16
Transport Sensor (S2) (S7) .............................................................................................................. 16
Paper Feed Sensor (S1) (S6) ........................................................................................................... 17
Paper End Sensor (S3) (S8) ............................................................................................................. 18
Limit Sensor (S4) (S9) ...................................................................................................................... 18
Paper Feed Unit ................................................................................................................................... 19
2nd Paper Feed Unit......................................................................................................................... 19
1st Paper Feed Unit .......................................................................................................................... 20
Rollers ................................................................................................................................................... 24
Pick-up Roller ................................................................................................................................... 24
Feed Roller ....................................................................................................................................... 24
Friction Roller .................................................................................................................................... 25
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