Ricoh B051 Service Manual page 625

LARGE CAPACITY TRAY B457
1. REPLACEMENT AND ADJUSTMENT ............................................1
1.1 TRAY............................................................................................................ 1
1.2 SENSORS .................................................................................................... 2
Paper Height Sensors of Paper Storage Side.......................................... 2
Left Fence HP Sensor/Paper End Sensor 2 ............................................ 2
1.3 CHANGING THE TRAY SIZE....................................................................... 3
1.4 TRAY LIFT MOTOR ..................................................................................... 3
1.5 TRAY MOTOR.............................................................................................. 4
1.6 MAIN BOARD............................................................................................... 4
1.7 STACK TRANSPORT CLUTCH ................................................................... 5
1.8 PAPER FEED CLUTCH ............................................................................... 5
1.9 PAPER FEED UNIT ..................................................................................... 6
1.10 PICKUP, FEED, AND SEPARATION ROLLERS ....................................... 7
1.11 UPPER LIMIT, PAPER END 1, AND RELAY SENSORS.......................... 7
2. DETAILED DESCRIPTIONS ............................................................8
2.1 MECHANICAL COMPONENT LAYOUT ...................................................... 8
2.2 ELECTRICAL COMPONENT LAYOUT........................................................ 9
2.3 ELECTRICAL COMPONENT DESCRIPTIONS ......................................... 10
2.4 PAPER FEED............................................................................................. 11
2.5 SEPARATION ROLLER AND PICKUP ROLLER RELEASE...................... 12
2.6 TRAY LIFT.................................................................................................. 13
2.7 PAPER AMOUNT DETECTION ................................................................. 14
2.8 PAPER END DETECTION OF PAPER FEED SIDE .................................. 15
2.9 PAPER STACK TRANSPORT ................................................................... 16
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CÓPIA NÃO CONTROLADA
TABLE OF CONTENTS
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CÓPIA NÃO CONTROLADA
B457