Ricoh D037 Service Manual page 17

REPLACEMENT AND ADJUSTMENT
4. REPLACEMENT AND ADJUSTMENT ........................................ 4-1
4.1 BEFOREHAND...........................................................................................4-1
4.2 SPECIAL TOOLS .......................................................................................4-2
4.3 IMAGE ADJUSTMENT ...............................................................................4-3
4.3.1 SCANNING........................................................................................4-3
Scanner sub-scan magnification ...........................................................4-3
Scanner leading edge and side-to-side registration ..............................4-3
4.3.2 ARDF.................................................................................................4-4
ARDF side-to-side, leading edge registration and trailing edge ............4-4
ARDF sub-scan magnification...............................................................4-5
4.3.3 REGISTRATION................................................................................4-5
Image Area ...........................................................................................4-5
Leading Edge........................................................................................4-6
Side to Side...........................................................................................4-6
Adjustment Standard ............................................................................4-6
Paper Registration Standard.................................................................4-6
Adjustment Procedure ..........................................................................4-6
4.3.4 ERASE MARGIN ADJUSTMENT ......................................................4-6
4.3.5 COLOR REGISTRATION ..................................................................4-7
Line Position Adjustment ......................................................................4-7
4.3.6 PRINTER GAMMA CORRECTION ...................................................4-8
Copy Mode ...........................................................................................4-8
Printer Mode .......................................................................................4-13
4.4 EXTERIOR COVERS ...............................................................................4-15
4.4.1 PCDU TONER COLLECTION BOTTLE ..........................................4-15
4.4.2 FRONT DOOR ................................................................................4-15
4.4.3 ITB CLEANING UNIT COVER.........................................................4-16
4.4.4 LEFT COVER ..................................................................................4-17
4.4.5 REAR COVER.................................................................................4-17
4.4.6 REAR LOWER COVER...................................................................4-18
4.4.7 DUST FILTER .................................................................................4-18
4.4.8 RIGHT REAR COVER.....................................................................4-18
4.4.9 OPERATION PANEL.......................................................................4-19
For D038/D041 ...................................................................................4-19
SM v D037/D038/D040/D041