SM iii D245/D246/D247
4.4.4 ADF REAR COVER .......................................................................................... 4-11
4.4.5 DOCUMENT TABLE .......................................................................................... 4-12
4.4.6 PICK-UP ROLLER............................................................................................. 4-13
4.4.7 SEPARATION PAD ............................................................................................ 4-14
4.4.8 ADF COVER SENSOR/ORIGINAL SET SENSOR .......................................... 4-15
4.4.9 ADF PICK-UP SOLENOID ................................................................................ 4-15
4.4.10 ADF INVERTER SOLENOID ............................................................................ 4-16
4.4.11 ADF FEED ROLLER ......................................................................................... 4-17
4.4.12 ADF MOTOR ..................................................................................................... 4-19
4.4.13 ADF REGISTRATION SENSOR ....................................................................... 4-19
4.5 OPERATION PANEL .................................................................................................... 4-20
4.5.1 OPU BOARD ..................................................................................................... 4-20
4.6 SCANNER UNIT .......................................................................................................... 4-21
4.6.1 TOP REAR COVER .......................................................................................... 4-21
4.6.2 SCANNER UNIT................................................................................................ 4-22
4.6.3 EXPOSURE GLASS UNIT ................................................................................ 4-23
4.6.4 CIS UNIT ........................................................................................................... 4-24
4.6.5 SCANNER DRIVE BELT ................................................................................... 4-24
4.6.6 SCANNER HP SENSOR ................................................................................... 4-25
4.6.7 SCANNER MOTOR........................................................................................... 4-25
4.6.8 ADJUSTING THE SCANNER PARAMETERS ................................................. 4-26
4.7 LASER UNIT ................................................................................................................ 4-27
4.7.1 LOCATION OF CAUTION DECAL .................................................................... 4-27
4.7.2 TONNER SHIELD GLASS ................................................................................ 4-27
4.7.3 LASER UNIT ..................................................................................................... 4-28
4.8 PCDU SECTION .......................................................................................................... 4-29
4.8.1 BEFORE REPLACING A PCU OR DEVELOPMENT UNIT.............................. 4-29
4.8.2 PCDU................................................................................................................. 4-30
4.8.3 PICK-OFF PAWLS ............................................................................................ 4-31
4.8.4 OPC DRUM ....................................................................................................... 4-31
4.8.5 CHARGE ROLLER AND CLEANING BRUSH .................................................. 4-33
4.8.6 CLEANING BLADE ........................................................................................... 4-34
4.8.7 DEVELOPER ..................................................................................................... 4-35
4.8.8 AFTER REPLACEMENT OR ADJUSTMENT ................................................... 4-37
4.9 TONER SUPPLY MOTOR ........................................................................................... 4-38
4.10 FUSING ................................................................................................................. 4-39
4.10.1 FUSING UNIT .................................................................................................... 4-39
4.10.2 FUSING ENTRANCE GUIDE PLATE ............................................................... 4-40
4.10.3 FUSING EXIT GUIDE PLATE ........................................................................... 4-40
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