Gestetner B003 Service Manual page 23

PAPER TRAY UNIT A682
1. REPLACEMENT AND ADJUSTMENT...................................... 10-1
1.1 COVER REPLACEMENT ........................................................................10-1
Right Cover.........................................................................................10-1
Rear Cover .........................................................................................10-1
1.2 ROLLER REPLACEMENT ......................................................................10-2
1.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS .............10-2
Pick-up Roller .....................................................................................10-2
Paper Feed Roller...............................................................................10-2
Separation Roller ................................................................................10-2
1.3 TRAY MOTOR REPLACEMENT.............................................................10-3
1.4 PAPER FEED AND RELAY CLUTCH REPLACEMENT .........................10-4
1.5 PAPER FEED UNIT REPLACEMENT.....................................................10-5
Upper Paper Feed Unit .......................................................................10-6
Lower Paper Feed Unit .......................................................................10-6
1.6 PAPER END, TRAY LIFT, AND RELAY SENSOR REPLACEMENT......10-7
Paper End Sensor ..............................................................................10-7
Tray Lift Sensor ..................................................................................10-7
Relay Sensor ......................................................................................10-7
2. SERVICE TABLES.................................................................... 10-8
2.1 DIP SWITCHES.......................................................................................10-8
2.2 TEST POINTS .........................................................................................10-8
2.3 SWITCHES..............................................................................................10-8
2.4 FUSES ....................................................................................................10-8
3. DETAILED DESCRIPTIONS ..................................................... 10-9
3.1 MECHANICAL COMPONENT LAYOUT .................................................10-9
3.2 ELECTRICAL COMPONENT LAYOUT.................................................10-10
3.3 ELECTRICAL COMPONENT DESCRIPTION.......................................10-11
3.4 DRIVE LAYOUT ....................................................................................10-12
3.5 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM........10-13
3.6 PAPER LIFT MECHANISM ...................................................................10-14
3.7 PAPER END DETECTION ....................................................................10-16
3.8 PAPER HEIGHT DETECTION ..............................................................10-17
4. SPECIFICATIONS................................................................... 10-18
BRIDGE UNIT A688
1. OVERALL MACHINE INFORMATION ...................................... 11-1
1.1 SPECIFICATIONS...................................................................................11-1
1.2 MECHANICAL COMPONENT LAYOUT .................................................11-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................11-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.........................................11-3
1.5 DRIVE LAYOUT ......................................................................................11-4
SM xi B003/B004/B006/B007