Ricoh G133 Service Manual page 15

Adjustment Standard ............................................................................3-3
Paper Registration Standard.................................................................3-3
Adjustment Procedure ..........................................................................3-3
3.3.2 ERASE MARGIN ADJUSTMENT ......................................................3-4
3.3.3 COLOR REGISTRATION..................................................................3-5
Line Position Adjustment ......................................................................3-5
3.3.4 GAMMA ADJUSTMENT....................................................................3-6
Summary ..............................................................................................3-6
Adjustment Procedure ..........................................................................3-7
3.4 EXTERIOR COVERS ...............................................................................3-10
3.4.1 FRONT DOOR ................................................................................3-10
3.4.2 LEFT COVER ..................................................................................3-11
3.4.3 REAR COVER.................................................................................3-11
3.4.4 TOP RIGHT AND REAR COVER....................................................3-12
3.4.5 RIGHT REAR COVER.....................................................................3-12
3.4.6 OPERATION PANEL.......................................................................3-13
3.4.7 PAPER EXIT COVER......................................................................3-13
3.4.8 OUTPUT TRAY ...............................................................................3-13
3.4.9 OZONE FILTER ..............................................................................3-14
Ozone filter for charge unit..................................................................3-14
Ozone filter for IH inverter...................................................................3-15
3.5 LASER OPTICS .......................................................................................3-16
3.5.1 CAUTION DECAL LOCATION ........................................................3-16
3.5.2 LASER OPTICS HOUSING UNIT ...................................................3-16
Preparing the new laser optics housing unit .......................................3-17
Before removing the old laser optics housing unit ..............................3-17
Recovery procedure for no replacement preparation of laser optics
housing unit ........................................................................................3-18
Removing the old laser optics housing unit.........................................3-19
Installing a new Laser Optics Housing Unit.........................................3-20
After installing the new laser optics housing unit ................................3-20
3.5.3 POLYGON MIRROR MOTOR AND DRIVE BOARD.......................3-22
3.5.4 SHUTTER MOTOR .........................................................................3-23
3.6 IMAGE CREATION ..................................................................................3-26
3.6.1 PCU.................................................................................................3-26
3.6.2 SECOND DUCT FAN ......................................................................3-27
When reinstalling the second duct fan ................................................3-28
3.6.3 THIRD DUCT FAN ..........................................................................3-28
When reinstalling the third duct fan.....................................................3-29
3.6.4 TONER PUMP UNIT .......................................................................3-29
When you install the new toner pump unit ..........................................3-32
3.6.5 TONER END SENSOR ...................................................................3-35
3.7 IMAGE TRANSFER..................................................................................3-36
3.7.1 IMAGE TRANSFER BELT UNIT .....................................................3-36
3.7.2 IMAGE TRANSFER BELT...............................................................3-36
When reinstalling the image transfer belt............................................3-40
SM iii G133