Paper Tray Unit G389 - Ricoh G157 Service Manual

PAPER TRAY UNIT G389

1. REPLACEMENT AND ADJUSTMENT............................................1
1.1 EXTERIOR COVER ..................................................................................... 1
1.1.1 TOP COVER AND SENSOR COVER ................................................. 1
1.1.2 BOTTOM BASE AND REAR COVER.................................................. 2
1.1.3 RIGHT COVER.................................................................................... 3
1.1.4 LEFT COVER ...................................................................................... 3
1.2 FEED ROLLER AND SEPARATOR PAD..................................................... 4
1.2.1 FEED ROLLER.................................................................................... 4
1.2.2 SEPARATOR PAD .............................................................................. 5
1.3 SENSOR ...................................................................................................... 5
1.3.1 PAPER END SENSOR........................................................................ 5
1.3.2 PAPER END FEELER AND LINK LEVER........................................... 6
1.3.3 PAPER SIZE SENSOR ....................................................................... 7
1.4 PAPER FEED CLUTCH ............................................................................... 8
1.5 RELAY GEARS ............................................................................................ 9
2. DETAILED DESCRIPTIONS .........................................................10
2.1 PAPER SIZE AND PAPER TRAY DETECTION......................................... 10
2.2 PAPER LIFT ............................................................................................... 11
2.3 PAPER FEED............................................................................................. 12
2.4 PAPER END DETECTION ......................................................................... 13
2.4.1 PAPER END SENSOR...................................................................... 13
2.4.2 LINK LEVER...................................................................................... 14
Function ................................................................................................. 14
Mechanism ............................................................................................ 14
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TABLE OF CONTENTS
i G389