Ricoh D017 Service Manual page 791

PAPER TRAY UNIT PB3030 D331
1. REPLACEMENT AND ADJUSTMENT ............................................1
1.1 COVERS AND ROLLER ............................................................................... 1
1.1.1 COVERS.............................................................................................. 1
1.1.2 FEED ROLLER .................................................................................... 2
1.2 DRIVE COMPONENTS ................................................................................ 3
1.2.1 UPPER FEED CLUTCH....................................................................... 3
1.2.2 LOWER FEED CLUTCH...................................................................... 3
1.2.3 RELAY CLUTCH.................................................................................. 4
1.2.4 PAPER FEED MOTOR ........................................................................ 4
1.2.5 LIFT MOTORS..................................................................................... 5
1.3 ELECTRICAL COMPONENTS ..................................................................... 6
1.3.1 VERTICAL TRANSPORT SENSOR .................................................... 6
1.3.2 PAPER END SENSOR ........................................................................ 7
1.3.3 PAPER SIZE SENSORS ..................................................................... 7
1.3.4 TRAY MAIN BOARD............................................................................ 8
2. DETAILED SECTION DESCRIPTIONS...........................................9
2.1 COMPONENT LAYOUT ............................................................................... 9
2.1.1 MECHANICAL COMPONENT LAYOUT .............................................. 9
2.1.2 ELECTRICAL COMPONENT LAYOUT ............................................. 10
2.1.3 ELECTRICAL COMPONENT DESCRIPTION ................................... 10
2.1.4 DRIVE LAYOUT................................................................................. 13
2.2 PAPER FEED AND SEPARATION MECHANISM ...................................... 14
2.3 PAPER LIFT MECHANISM......................................................................... 15
2.4 PAPER END DETECTION.......................................................................... 17
2.5 PAPER HEIGHT DETECTION.................................................................... 18
2.6 PAPER SIZE DETECTION ......................................................................... 19
2.7 SIDE AND END FENCES ........................................................................... 21
2.7.1 SIDE FENCES ................................................................................... 21
2.7.2 END FENCE ...................................................................................... 21
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TABLE OF CONTENTS
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