Ricoh Aficio AP-4510 G065, Service Manual, Page: 14 / 278

G065 ii SM
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT........................................ 3-1
3.1 GENERAL CAUTIONS ............................................................................. 3-1
3.1.1 LASER UNIT.................................................................................... 3-1
3.1.2 USED TONER ................................................................................. 3-1
3.2 SPECIAL TOOLS AND LUBRICANTS ..................................................... 3-2
3.2.1 SPECIAL TOOLS............................................................................. 3-2
3.2.2 LUBRICANTS .................................................................................. 3-2
3.2.3 SYMBOLS USED IN TEXT .............................................................. 3-2
3.3 FRONT DOOR.......................................................................................... 3-3
3.4 DUPLEX UNIT .......................................................................................... 3-3
3.5 UPPER RIGHT COVER............................................................................ 3-4
3.6 BY-PASS TRAY UNIT .............................................................................. 3-5
3.7 REAR COVERS........................................................................................ 3-6
3.7.1 REAR UPPER COVER .................................................................... 3-6
3.7.2 REAR LOWER COVER ................................................................... 3-6
3.8 LEFT COVERS ......................................................................................... 3-7
3.8.1 LEFT UPPER COVER ..................................................................... 3-7
3.8.2 OPERATION PANEL ....................................................................... 3-8
3.8.3 PAPER OUTPUT TRAY .................................................................. 3-9
No Bridge Unit Installed ....................................................................... 3-9
Bridge Unit Installed ............................................................................. 3-9
3.9 LASER UNIT........................................................................................... 3-10
3.9.1 CAUTION DECAL LOCATIONS .................................................... 3-10
3.9.2 LASER UNIT.................................................................................. 3-11
3.9.3 POLYGON MIRROR MOTOR ....................................................... 3-12
3.9.4 LASER SYNCHRONIZATION DETECTOR ................................... 3-13
3.9.5 LD UNIT ......................................................................................... 3-13
Laser Beam Pitch Adjustment ............................................................ 3-14
3.10 PCDU.................................................................................................... 3-15
3.10.1 PHOTOCONDCUTOR CLEANING/DEVELOPMENT UNIT ........ 3-15
3.10.2 DRUM .......................................................................................... 3-16
3.10.3 PICK-OFF PAWLS....................................................................... 3-17
3.10.4 CHARGE ROLLER AND CLEANING ROLLER ........................... 3-18
3.10.5 DRUM CLEANING BLADE .......................................................... 3-19
3.10.6 ID SENSOR ................................................................................. 3-20
3.11 DEVELOPMENT................................................................................... 3-21
3.11.1 DEVELOPMENT UNIT ................................................................ 3-21
3.11.2 DEVELOPMENT FILTER............................................................. 3-22
3.11.3 DEVELOPMENT ROLLER........................................................... 3-23
3.11.4 DEVELOPER ............................................................................... 3-24
3.11.5 TD SENSOR ................................................................................ 3-26
3.12 TRANSFER UNIT ................................................................................. 3-27
3.12.1 TRANSFER BELT UNIT .............................................................. 3-27
3.12.2 TRANSFER BELT........................................................................ 3-28
3.12.3 CLEANING BLADE/TONER OVERFLOW SENSOR................... 3-29
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