Ricoh B051 Service Manual page 15

3.6.4 CHARGE CORONA WIRE CLEANER MOTOR .............................3-23
3.6.5 OPC BELT CLEANING UNIT .........................................................3-23
3.6.6 IMAGE TRANSFER BELT CLEANING UNIT .................................3-23
3.7 PAPER TRANSFER UNIT.......................................................................3-24
3.7.1 VERTICAL TRANSPORT UNIT......................................................3-24
3.7.2 TRANSFER ROLLER .....................................................................3-24
3.8 FUSING/PAPER EXIT.............................................................................3-25
3.8.1 FUSING UNIT.................................................................................3-25
3.8.2 OIL SUPPLY UNIT .........................................................................3-25
3.8.3 OIL SUPPLY PAD ..........................................................................3-26
3.8.4 CLEANING ROLLER AND FUSING SPONGE ROLLER ...............3-26
3.8.5 OILING ROLLER AND OIL SUPPLY ROLLER ..............................3-27
3.8.6 FUSING LAMPS .............................................................................3-28
3.8.7 FUSING INNER UNIT.....................................................................3-29
3.8.8 PRESSURE ROLLER THERMOFUSE...........................................3-29
3.8.9 HOT ROLLER STRIPPERS ...........................................................3-30
3.8.10 FUSING BELT UNIT AND PRESSURE ROLLER UNIT ...............3-30
3.8.11 PRESSURE ROLLER, PRESSURE ROLLER GEAR,
AND CLEANING ROLLER ...........................................................3-31
3.8.12 PRESSURE ROLLER THERMISTOR ..........................................3-32
3.8.13 OIL ABSORBERS.........................................................................3-33
3.8.14 PAPER EXIT/OVERFLOW SENSORS.........................................3-34
3.9 PAPER FEED AND TRANSPORT ..........................................................3-36
3.9.1 FEED ROLLER AND FRICTION PAD ............................................3-36
3.9.2 REGISTRATION SENSOR.............................................................3-37
3.9.3 PAPER FEED SENSOR 1..............................................................3-40
3.9.4 PAPER NEAR-END SENSORS .....................................................3-40
3.9.5 PAPER FEED SENSOR 2..............................................................3-41
3.9.6 PAPER END SENSOR 1................................................................3-42
3.9.7 PAPER END SENSOR 2................................................................3-42
3.10 ELECTRICAL COMPONENTS..............................................................3-43
3.10.1 EXHAUST FAN AND I/O BOARD.................................................3-43
3.10.2 EX I/O BOARD .............................................................................3-43
3.10.3 BICU BOARD AND CONTROLLER BOARD................................3-44
3.10.4 HDD..............................................................................................3-45
3.10.5 HIGH VOLTAGE SUPPLY BOARD ..............................................3-45
3.10.6 POWER SUPPLY UNIT................................................................3-46
3.11 DRIVE UNITS........................................................................................3-47
3.11.1 DEVELOPMENT CLUTCHES ......................................................3-47
K and Y Development Units................................................................3-47
C and M Development Units ...............................................................3-47
3.11.2 DEVELOPMENT MOTOR ............................................................3-48
3.11.3 MAIN MOTOR ..............................................................................3-48
3.11.4 PCU GEAR BOX ..........................................................................3-49
3.11.5 FUSING UNIT MOTOR ................................................................3-49
3.11.6 PAPER FEED CLUTCH 1 ............................................................3-50
3.11.7 PAPER FEED MOTOR.................................................................3-50
3.11.8 PAPER FEED CLUTCH 2 ............................................................3-51
3.11.9 REGISTRATION CLUTCH ...........................................................3-51
SM
CÓPIA NÃO CONTROLADA
iii
CÓPIA NÃO CONTROLADA
B051/B052