Gestetner B070 Service Manual page 16

Bottom Plate .......................................................................................3-11
3.4.3 FEED UNIT AND SEPARATION ROLLER.....................................3-12
3.4.4 FEED BELT ....................................................................................3-13
3.4.5 PICK-UP ROLLER..........................................................................3-14
3.4.6 ADF SENSORS ..............................................................................3-15
Entrance Sensor and Length Sensor ..................................................3-15
Registration Sensor ............................................................................3-16
Width Sensors ....................................................................................3-17
Exit Sensor, Inverter Sensor ...............................................................3-18
3.4.7 TRANSPORT BELT........................................................................3-19
3.4.8 ADF MOTORS................................................................................3-20
Bottom Plate Motor, Pick-up Motor .....................................................3-20
Feed-in, Transport, Feed-out Motors ..................................................3-21
3.4.9 FEED-IN CLUTCH..........................................................................3-22
3.5 SCANNER UNIT......................................................................................3-24
3.5.1 EXPOSURE GLASS.......................................................................3-24
3.5.2 ORIGINAL SIZE SENSORS ...........................................................3-25
3.5.3 EXPOSURE LAMP .........................................................................3-26
3.5.4 LAMP REGULATOR.......................................................................3-27
3.5.5 OPTICS DUST FILTER ..................................................................3-28
3.5.6 SCANNER H.P. SENSOR ..............................................................3-29
3.5.7 SCANNER MOTOR........................................................................3-30
3.5.8 SCANNER DRIVE WIRES .............................................................3-31
Preparation .........................................................................................3-31
Front, Rear Scanner Drive Wires ........................................................3-32
Reinstallation ......................................................................................3-32
3.6 LASER UNIT ...........................................................................................3-34
3.6.1 CAUTION DECALS ........................................................................3-34
3.6.2 LENS BLOCK .................................................................................3-35
3.6.3 LD UNIT..........................................................................................3-36
3.6.4 POLYGON MIRROR MOTOR ........................................................3-38
3.6.5 LASER SYNCHRONIZATION DETECTOR....................................3-39
3.7 DRUM UNIT ............................................................................................3-40
3.7.1 DRUM UNIT ...................................................................................3-40
Drum Removal ....................................................................................3-40
3.7.2 QUENCHING LAMP .......................................................................3-41
3.7.3 GRID PLATE, CHARGE CORONA WIRE, WIRE CLEANER.........3-42
3.7.4 DRUM POTENTIAL SENSOR........................................................3-45
3.7.5 DRUM CLEANING BLADE, ID SENSOR .......................................3-46
3.7.6 CLEANING BRUSH........................................................................3-48
3.7.7 PICK-OFF PAWLS .........................................................................3-49
3.7.8 DRUM FILTER ...............................................................................3-50
3.8 DEVELOPMENT AND TONER SUPPLY ................................................3-51
3.8.1 DEVELOPMENT UNIT REMOVAL.................................................3-51
3.8.2 DEVELOPER REPLACEMENT ......................................................3-53
3.8.3 DOCTOR BLADE CLEANING ........................................................3-55
3.8.4 DEVELOPMENT UNIT FILTERS....................................................3-57
3.8.5 DEVELOPMENT UNIT TONER SUCTION PUMP .........................3-58
3.8.6 DEVELOPMENT UNIT WASTE TONER BOTTLE .........................3-59
B070/B071
CÓPIA NÃO CONTROLADA
iv
CÓPIA NÃO CONTROLADA
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