SM i B542
PAPER TRAY UNIT B542
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT............................................1
1.1 COVER REPLACEMENT.............................................................................1
Right Cover..............................................................................................1
Rear Cover ..............................................................................................1
1.2 ROLLER REPLACEMENT ...........................................................................2
1.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS ..................2
Pick-up Roller .......................................................................................... 2
Paper Feed Roller.................................................................................... 2
Separation Roller ..................................................................................... 2
1.3 TRAY MOTOR REPLACEMENT.................................................................. 3
1.4 PAPER FEED AND RELAY Clutch REPLACEMENT...................................4
1.5 Paper FEED UNIT REPLACEMENT ............................................................ 5
Upper Paper Feed Unit ............................................................................6
Lower Paper Feed Unit ............................................................................6
1.6 PAPER END, TRAY LIFT, AND RELAY SENSOR REPLACEMENT........... 7
Paper End Sensor.................................................................................... 7
Tray Lift Sensor .......................................................................................7
Relay Sensor ........................................................................................... 7
2. SERVICE TABLES..........................................................................8
2.1 DIP SWITCHES............................................................................................8
2.2 test points ..................................................................................................... 8
2.3 switches........................................................................................................8
2.4 fuses............................................................................................................. 8
3. DETAILED DESCRIPTIONs ...........................................................9
3.1 MECHANICAL COMPONENT LAYOUT ......................................................9
3.2 ELECTRICAL COMPONENT LAYOUT......................................................10
3.3 ELECTRICAL COMPONENT DESCRIPTION............................................ 11
3.4 DRIVE LAYOUT .........................................................................................12
3.5 Pick-up and separation roller release mechanism......................................13
3.6 Paper lift mechanism .................................................................................. 14
3.7 Paper end detection ...................................................................................16
3.8 Paper Height Detection .............................................................................. 17
4. SPECIFICATIONS.........................................................................18
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