Ricoh BY5020 Manuale di servizio sul campo - Pagina 5
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Table of Contents
1.
Replacement and Adjustment ............................................................................................................ 3
Common Procedures .............................................................................................................................. 3
Opening the Bypass Tray ................................................................................................................... 3
Covers ................................................................................................................................................. 3
Feed Tray ............................................................................................................................................ 6
Motors ..................................................................................................................................................... 9
Paper Feed Motor, Paper Transport Motor ........................................................................................ 9
Lift Motor ........................................................................................................................................... 10
Cooling Fan for Transport Motor ...................................................................................................... 11
Cooling Fan for Paper Feed Motor ................................................................................................... 12
Relay Motor....................................................................................................................................... 12
Sensors ................................................................................................................................................. 15
Paper Feed Sensor ........................................................................................................................... 15
Lift Sensors ....................................................................................................................................... 15
Paper End Sensor ............................................................................................................................ 15
Paper Length Sensor ........................................................................................................................ 16
Paper Width Sensor .......................................................................................................................... 17
Paper Height Sensors 1, 2, Tray Lower Limit Sensor ...................................................................... 18
Relay Sensor .................................................................................................................................... 18
Rollers ................................................................................................................................................... 20
Overview ........................................................................................................................................... 20
Roller Removal ................................................................................................................................. 20
Switch, Solenoid, PCB .......................................................................................................................... 23
Tray Lift Switch ................................................................................................................................. 23
Pickup Solenoid ................................................................................................................................ 23
Bypass Tray PCB ............................................................................................................................. 24
2.
Detailed Descriptions ........................................................................................................................ 26
Overview ............................................................................................................................................... 26
Specifications .................................................................................................................................... 26
Mechanical Component Layout ........................................................................................................ 27
Drive Layout ...................................................................................................................................... 27
Electrical Components ...................................................................................................................... 28
Mechanisms .......................................................................................................................................... 31
Tray Lift ............................................................................................................................................. 31
Paper Feed ....................................................................................................................................... 32
Paper Size Detection ........................................................................................................................ 33
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