Ricoh B205 Service Manual page 471

PAPER TRAY UNIT B390
1 OVERALL MACHINE INFORMATION..............................................1
1.1 SPECIFICATIONS........................................................................................ 1
1.2 MECHANICAL COMPONENT LAYOUT ...................................................... 2
1.3 ELECTRICAL COMPONENT LAYOUT........................................................ 3
1.4 ELECTRICAL COMPONENT DESCRIPTION.............................................. 4
1.5 DRIVE LAYOUT ........................................................................................... 5
2 DETAILED DESCRIPTIONS .............................................................6
2.1 PAPER FEED AND SEPARATION MECHANISM ....................................... 6
2.2 PAPER LIFT MECHANISM .......................................................................... 7
2.3 PAPER END DETECTION ........................................................................... 9
2.4 PAPER HEIGHT DETECTION ................................................................... 10
2.5 PAPER SIZE DETECTION......................................................................... 12
2.6 SIDE AND END FENCES .......................................................................... 13
Side Fences........................................................................................... 13
End Fence ............................................................................................. 13
3 REPLACEMENT AND ADJUSTMENT ...........................................14
3.1 FEED ROLLER REPLACEMENT............................................................... 14
3.2 TRAY MAIN BOARD REPLACEMENT ...................................................... 15
3.3 TRAY MOTOR REPLACEMENT................................................................ 15
3.4 RELAY CLUTCH REPLACEMENT ............................................................ 16
3.5 UPPER PAPER FEED CLUTCH REPLACEMENT .................................... 17
3.6 LOWER PAPER FEED CLUTCH REPLACEMENT ................................... 18
3.7 LIFT MOTOR REPLACEMENT .................................................................. 19
3.8 PAPER END SENSOR REPLACEMENT ................................................... 20
3.9 VERTICAL TRANSPORT SENSOR REPLACEMENT ............................... 20
3.10 PAPER SIZE SWITCH REPLACEMENT ................................................. 21
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TABLE OF CONTENTS
i B390