Ricoh B079, Service Manual

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SM i B545
TWO-TRAY FINISHER B545
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ........................................... 1
1.1 COVERS ......................................................................................................1
1.1.1 EXTERNAL COVERS..........................................................................1
1.1.2 INNER COVER....................................................................................1
1.2 POSITIONING ROLLER...............................................................................2
1.3 TRAY 1 EXIT SENSOR ................................................................................2
1.4 ENTRANCE SENSOR/STAPLER TRAY ENTRANCE SENSOR .................3
1.5 STAPLER TRAY...........................................................................................3
1.6 UPPER STACK HEIGHT SENSORS/TRAY 1 UPPER LIMIT SWITCH .......4
1.7 EXIT GUIDE PLATE MOTOR.......................................................................5
1.8 LIFT MOTORS .............................................................................................5
1.9 LOWER EXIT SENSOR ...............................................................................7
1.10 LOWER STACK HEIGHT SENSORS.........................................................8
1.11 TRAY 2 SHUNT POSITION SENSOR........................................................8
1.12 STAPLER UNIT..........................................................................................9
1.13 STAPLER ROTATION HP SENSOR..........................................................9
1.14 TRAY 1 INTERIOR ...................................................................................10
1.14.1 TRAY 1 COVERS ............................................................................10
tray Shift Sensors and tray release sensor ............................................11
1.14.3 TRAY 1 SHIFT MOTOR ..................................................................11
1.14.4 BACK FENCE LOCK CLUTCH........................................................11
1.15 FINISHER MAIN BOARD .........................................................................12
1.16 PUNCH HOLE POSITION ADJUSTMENT ...............................................12
2. TROUBLESHOOTING .................................................................. 13
2.1 TIMING CHARTS .......................................................................................13
2.1.1 A4(S)/LT(S) SHIFT MODE WITH PUNCH – TRAY 1 ........................13
2.1.2 A4(S)/LT(S) SHIFT MODE WITH PUNCH – TRAY 2 ........................14
2.1.3 A4(S)/LT(S) STAPLE MODE WITH PUNCH .....................................15
2.2 JAM DETECTION.......................................................................................16
3. SERVICE TABLES........................................................................ 17
3.1 DIP SWITCH SETTINGS............................................................................17
3.2 TEST POINTS ............................................................................................17
3.3 FUSES........................................................................................................17
4. DETAILED DESCRIPTIONS ......................................................... 18
4.1 GENERAL LAYOUT ...................................................................................18
4.2 DRIVE LAYOUT .........................................................................................19
4.3 JUNCTION GATES ....................................................................................20
4.4 TRAY SHIFTING ........................................................................................21
4.4.1 TRAY SHIFT MECHANISMS.............................................................21