Ricoh B234 - Z-Folding Unit B660

SM i B660
Z-FOLDING UNIT B660
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ............................................1
1.1 BEFORE YOU BEGIN..................................................................................1
1.2 COVERS ......................................................................................................2
1.3 FEED MOTOR..............................................................................................3
1.4 UPPER EXIT SENSOR................................................................................4
1.5 UPPER STOPPER MOTOR/HP SENSOR, FEED SENSOR.......................5
1.6 FOLD TIMING SENSOR ..............................................................................6
1.7 LOWER STOPPER MOTOR/HP SENSOR, RELAY BOARD.......................7
1.8 LEADING EDGE SENSOR, LOWER EXIT SENSOR ..................................8
1.9 ANTI-STATIC BRUSH..................................................................................9
1.10 FOLD ROLLER MOTOR ..........................................................................10
1.11 MAIN CONTROL BOARD ........................................................................11
1.12 PSU..........................................................................................................12
1.13 UNEVEN FOLDING ADJUSTMENT.........................................................13
1.13.1 OVERVIEW .....................................................................................13
1.13.2 Z-FOLD ADJUSTMENT SCREWS..................................................14
1.13.3 Z-FOLD ADJUSTMENT PROCEDURE...........................................15
1st Fold Adjustment...............................................................................15
2nd Fold Adjustment..............................................................................16
1.13.4 Z-FOLD ADJUSTMENT REFERENCE TABLE ...............................17
2. SERVICE TABLES.........................................................................18
3. DETAILS.........................................................................................19
3.1 OVERVIEW................................................................................................19
3.2 Z-FOLDING UNIT PAPER PATH ...............................................................21
3.2.1 PAPER PATH WITH NO FOLDING...................................................21
3.2.2 PAPER PATH WITH Z-FOLDING......................................................22
3.3 DRIVE LAYOUT .........................................................................................26
3.4 ELECTRICAL COMPONENTS...................................................................27
3.4.1 OVERVIEW .......................................................................................27
3.4.2 ELECTRICAL COMPONENT SUMMARY..........................................28