Ricoh Aficio MP C3001 Service Manual page 1420

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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TABLE OF CONTENTS
i B408