Ricoh A230, Руководство по обслуживанию, Страница: 16 / 1134

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A230/A231/A232 SM
6.1.4 ORIGINAL SIZE SENSORS ............................................................ 6-4
6.1.5 EXPOSURE LAMP .......................................................................... 6-5
6.1.6 SCANNER H.P SENSOR/PLATEN COVER SENSOR.................... 6-6
6.1.7 SCANNER MOTOR ......................................................................... 6-7
6.1.8 SIB/LAMP STABILIZER ................................................................... 6-8
6.1.9 SCANNER WIRE ............................................................................. 6-9
6.1.10 SCANNER UNIT POSITIONING ADJUSTMENT......................... 6-12
6.2 LASER UNIT........................................................................................... 6-14
6.2.1 CAUTION DECAL LOCATIONS .................................................... 6-14
6.2.2 LASER UNIT.................................................................................. 6-15
6.2.3 POLYGON MIRROR MOTOR ....................................................... 6-16
6.2.4 LASER SYNCHRONIZATION DETECTOR ................................... 6-17
6.2.5 LD UNIT ......................................................................................... 6-17
Laser beam pitch adjustment ............................................................. 6-18
6.3 PHOTOCONDUCTOR UNIT (PCU)........................................................ 6-19
6.3.1 PCU ............................................................................................... 6-19
6.3.2 DRUM ............................................................................................ 6-20
6.3.3 PICK-OFF PAWLS......................................................................... 6-21
6.3.4 CHARGE ROLLER/CHARGE ROLLER CLEANING PAD ............. 6-22
6.3.5 DRUM CLEANING BLADE ............................................................ 6-23
6.3.6 ID SENSOR ................................................................................... 6-23
6.4 DEVELOPMENT..................................................................................... 6-24
6.4.1 DEVELOPMENT UNIT .................................................................. 6-24
6.4.2 DEVELOPMENT FILTER .............................................................. 6-25
6.4.3 DEVELOPMENT ROLLER ............................................................ 6-25
6.4.4 DEVELOPER ................................................................................. 6-26
6.4.5 TD SENSOR .................................................................................. 6-27
6.5 TRANSFER UNIT ................................................................................... 6-28
6.5.1 TRANSFER BELT UNIT ................................................................ 6-28
6.5.2 TRANSFER BELT.......................................................................... 6-29
6.5.3 TRANSFER BELT CLEANING BLADE/TONER OVERFLOW
SENSOR........................................................................................ 6-30
Transfer Belt Cleaning Blade ............................................................. 6-30
Toner Overflow Sensor ...................................................................... 6-30
6.5.4 RIGHT COVER .............................................................................. 6-31
6.6 PAPER FEED ......................................................................................... 6-32
6.6.1 PICK-UP, SEPARATION, AND FEED ROLLERS.......................... 6-32
6.6.2 LOWER RIGHT COVER/LOWER REAR COVER ......................... 6-32
6.6.3 RELAY/UPPER PAPER FEED/LOWER PAPER FEED
CLUTCHES ................................................................................... 6-33
6.6.4 UPPER PAPER FEED UNIT.......................................................... 6-34
6.6.5 LOWER PAPER FEED UNIT......................................................... 6-35
6.6.6 PAPER END/PAPER HEIGHT/RELAY SENSORS ....................... 6-36
6.6.7 REGISTRATION SENSOR ............................................................ 6-37
6.7 FUSING .................................................................................................. 6-39
6.7.1 FUSING UNIT ................................................................................ 6-39
6.7.2 HOT ROLLER STRIPPERS AND FUSING LAMP ......................... 6-40
6.7.3 THERMISTOR AND THERMOFUSE............................................. 6-41
6.7.4 CLEANING ROLLER ..................................................................... 6-42