Ricoh D129 Service Manual page 896

1000-SHEET FINISHER B408/D588
1. REPLACEMENT AND ADJUSTMENT ............................................ 1
1.1 MAIN PCB .................................................................................................... 1
1.2 STAPLER UNIT ............................................................................................ 2
1.3 MOTORS ...................................................................................................... 3
1.3.1 SHIFT MOTOR .................................................................................... 3
1.3.2 STAPLER MOTOR .............................................................................. 3
1.3.3 UPPER TRANSPORT MOTOR AND EXIT MOTOR ........................... 4
1.3.4 LOWER TRANSPORT MOTOR .......................................................... 4
1.4 MOTORS AND SENSORS ........................................................................... 5
1.4.1 PREPARATION ................................................................................... 5
1.4.2 STACK HEIGHT SENSOR .................................................................. 6
1.4.3 STAPLER TRAY PAPER SENSOR..................................................... 6
1.4.4 LOWER TRAY LIFT MOTOR .............................................................. 7
1.4.5 STACK FEED-OUT MOTOR ............................................................... 7
2. TROUBLESHOOTING .................................................................... 8
2.1 JAM DETECTION ......................................................................................... 8
3. SERVICE TABLES .......................................................................... 9
3.1 DIP SWITCH SETTINGS ............................................................................. 9
4. DETAILED DESCRIPTIONS ......................................................... 10
4.1 GENERAL LAYOUT ................................................................................... 10
4.2 ELECTRICAL COMPONENT LAYOUT ...................................................... 11
4.3 ELECTRICAL COMPONENT DESCRIPTION ............................................ 13
4.4 DRIVE LAYOUT ......................................................................................... 15
4.5 JUNCTION GATES .................................................................................... 16
Upper Tray Mode ................................................................................... 16
Sort/Stack Mode .................................................................................... 16
Staple Mode ........................................................................................... 16
4.6 UPPER TRAY ............................................................................................. 17
4.7 LOWER TRAY UP/DOWN MECHANISMS ................................................ 18
4.8 PAPER SHIFT MECHANISM ..................................................................... 19
4.9 JOGGER UNIT PAPER POSITIONING MECHANISM ............................... 20
4.10 EXIT GUIDE PLATE ................................................................................. 21
4.11 STAPLER MECHANISM .......................................................................... 22
4.12 STAPLER UNIT MOVEMENT MECHANISM ........................................... 23
4.13 PAPER FEED-OUT MECHANISM ........................................................... 24
SM
TABLE OF CONTENTS
i B408/D588