Ricoh D129 - Rt3020 - 1200-Sheet Lct (D631)

SM i D631
RT3020 - 1200-SHEET LCT (D631)
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ........................................... 1
1.1 COVERS ........................................................................................................ 1
1.1.1 REAR COVER ...................................................................................... 1
1.1.2 RIGHT DOOR ....................................................................................... 1
1.1.3 FRONT AND TOP COVERS ................................................................ 2
1.2 PAPER FEED ................................................................................................ 3
1.2.1 PICK-UP, PAPER FEED AND SEPARATION ROLLERS .................... 3
1.3 DRIVE ............................................................................................................ 4
1.3.1 PAPER FEED CLUTCH ........................................................................ 4
1.3.2 PAPER FEED MOTOR ......................................................................... 4
1.3.3 TRAY LIFT MOTOR .............................................................................. 5
1.4 ELECTRICAL COMPONENTS ...................................................................... 6
1.4.1 MAIN BOARD ....................................................................................... 6
1.4.2 LCT SET SWITCHES ........................................................................... 6
Rear ......................................................................................................... 6
Front ......................................................................................................... 7
1.4.3 DOWN SWITCH ................................................................................... 7
1.4.4 PAPER FEED, PAPER END, TRAY LIFT AND RELAY SENSORS ..... 8
1.4.5 STACK SENSOR .................................................................................. 9
1.5 SIDE FENCE POSITION CHANGE ............................................................. 10
2. DETAILS ...................................................................................... 11
2.1 COMPONENT LAYOUT .............................................................................. 11
2.1.1 COMPONENT LAYOUT ..................................................................... 11
2.1.2 ELECTRICAL COMPONENT LAYOUT .............................................. 12
2.1.3 ELECTRICAL COMPONENT DESCRIPTIONS .................................. 13
2.1.4 DRIVE LAYOUT ................................................................................. 15
2.2 PAPER FEED .............................................................................................. 16
2.2.1 PAPER FEED MECHANISM .............................................................. 16
2.2.2 TRAY LIFT MECHANISM ................................................................... 17
Tray lifting conditions.............................................................................. 17
Tray lowering conditions (Paper supply position) ................................... 17
Tray lowering conditions (Full-down position) ........................................ 17