SM iii D096
4.4.6 ADJUSTING SCANNER POSITIONS ............................................. 4-15
4.5LASER UNIT ............................................................................................ 4-19
4.5.1 LOCATION OF CAUTION DECAL .................................................. 4-19
4.5.2 TONER SHIELD GLASS ................................................................. 4-20
4.5.3 LASER UNIT ................................................................................... 4-21
4.5.4 LD UNIT .......................................................................................... 4-22
4.5.5 POLYGONAL MIRROR MOTOR .................................................... 4-23
4.5.6 LASER UNIT ALIGNMENT ADJUSTMENT .................................... 4-24
4.6PCU SECTION......................................................................................... 4-26
4.6.1 PCU ................................................................................................ 4-26
4.6.2 TONER SUPPLY MOTOR .............................................................. 4-27
4.6.3 PICK-OFF PAWLS AND TONER DENSITY SENSOR ................... 4-28
4.6.4 OPC DRUM .................................................................................... 4-29
4.6.5 CHARGE ROLLER AND CLEANING BRUSH ................................ 4-30
4.6.6 CLEANING BLADE ......................................................................... 4-31
4.6.7 DEVELOPER .................................................................................. 4-32
4.6.8 AFTER REPLACEMENT OR ADJUSTMENT ................................. 4-33
4.7PAPER FEED SECTION ......................................................................... 4-34
4.7.1 PAPER FEED ROLLER .................................................................. 4-34
4.7.2 FRICTION PAD ............................................................................... 4-35
4.7.3 PAPER END SENSOR ................................................................... 4-35
4.7.4 EXIT SENSOR ................................................................................ 4-36
4.7.5 BY-PASS FEED ROLLER AND PAPER END SENSOR ................ 4-37
4.7.6 REGISTRATION ROLLER .............................................................. 4-38
4.7.7 BY-PASS PAPER SIZE SWITCH ................................................... 4-39
4.7.8 REGISTRATION CLUTCH .............................................................. 4-40
4.7.9 REGISTRATION SENSOR ............................................................. 4-40
4.7.10 PAPER FEED CLUTCH AND BY-PASS FEED CLUTCH ........... 4-41
4.7.11 PAPER SIZE SWITCH ................................................................ 4-42
4.8IMAGE TRANSFER ................................................................................. 4-43
4.8.1 IMAGE TRANSFER ROLLER ......................................................... 4-43
4.8.2 IMAGE DENSITY SENSOR ............................................................ 4-44
4.9FUSING ................................................................................................... 4-45
4.9.1 FUSING UNIT ................................................................................. 4-45
4.9.2 THERMISTOR ................................................................................ 4-45
4.9.3 FUSING LAMPS ............................................................................. 4-46
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