Troubleshooting - Ricoh B022 Service Manual

BRIDGE UNIT (A897/B417)
1 OVERALL MACHINE INFORMATION........................................ 16-1
1.1 SPECIFICATIONS...................................................................................16-1
1.2 MECHANICAL COMPONENT LAYOUT .................................................16-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................16-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.........................................16-4
1.5 DRIVE LAYOUT ......................................................................................16-5
2 DETAILED DESCRIPTION ......................................................... 16-6
2.1 JUNCTION GATE MECHANISM.............................................................16-6
3 REPLACEMENT AND ADJUSTMENT ....................................... 16-7
3.1 BRIDGE UNIT DRIVE MOTOR REPLACEMENT ...................................16-7
3.2 TRAY EXIT SENSOR REPLACEMENT ..................................................16-8
3.3 RELAY SENSOR REPLACEMENT.........................................................16-8
1,000-SHEET FINISHER (B408)
1 REPLACEMENT AND ADJUSTMENT ....................................... 17-1
1.1 MAIN PCB ...............................................................................................17-1
1.2 STAPLER UNIT.......................................................................................17-2
1.3 MOTORS.................................................................................................17-3
1.3.1 SHIFT MOTOR...............................................................................17-3
1.3.2 STAPLER MOTOR .........................................................................17-3
1.3.3 UPPER TRANSPORT MOTOR AND EXIT MOTOR ......................17-3
1.3.4 LOWER TRANSPORT MOTOR .....................................................17-4
1.4 MOTORS AND SENSORS......................................................................17-5
1.4.1 PREPARATION ..............................................................................17-5
1.4.2 STACK HEIGHT SENSOR .............................................................17-6
1.4.3 STAPLER TRAY PAPER SENSOR................................................17-6
1.4.4 LOWER TRAY LIFT MOTOR .........................................................17-6
1.4.5 STACK FEED-OUT MOTOR ..........................................................17-7

2 TROUBLESHOOTING ................................................................ 17-8

2.1 JAM DETECTION....................................................................................17-8
3 SERVICE TABLES...................................................................... 17-9
3.1 DIP SWITCH SETTINGS ........................................................................17-9
4 DETAILED DESCRIPTIONS ..................................................... 17-10
4.1 GENERAL LAYOUT ..............................................................................17-10
4.2 ELECTRICAL COMPONENT LAYOUT.................................................17-11
4.3 ELECTRICAL COMPONENT DESCRIPTION.......................................17-13
4.4 DRIVE LAYOUT ....................................................................................17-15
4.5 JUNCTION GATES ...............................................................................17-17
Upper tray mode ...............................................................................17-17
Sort/stack mode ................................................................................17-17
Staple mode......................................................................................17-17
SM xiii
Rev. 11/2002
B022/B027