Ricoh B156 Service Manual page 463

1000-SHEET FINISHER B408
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
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CÓPIA NÃO CONTROLADA
B408