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
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