Ricoh D143 Field Service Manual page 11

Before Removing the Old PM Parts......................................................................................................... 158
After installing the new PM parts..............................................................................................................159
Preparation before operation check........................................................................................................159
Operation check........................................................................................................................................160
4. Replacement and Adjustment
Beforehand.....................................................................................................................................................161
Special Tools..................................................................................................................................................162
Image Adjustment.......................................................................................................................................... 163
Scanning.................................................................................................................................................... 163
Scanner sub-scan magnification..................................................................................................... 163
Scanner leading edge and side-to-side registration..................................................................... 164
ARDF...........................................................................................................................................................164
ARDF side-to-side, leading edge registration and trailing edge.................................................. 164
ARDF sub-scan magnification..........................................................................................................165
Registration................................................................................................................................................ 166
Image Area....................................................................................................................................... 166
Leading Edge.................................................................................................................................... 166
Side to Side....................................................................................................................................... 166
Adjustment Standard........................................................................................................................ 166
Paper Registration Standard............................................................................................................166
Adjustment Procedure.......................................................................................................................167
Erase Margin Adjustment..........................................................................................................................167
Color Registration......................................................................................................................................168
Line Position Adjustment................................................................................................................... 168
Printer Gamma Correction........................................................................................................................169
Copy Mode.......................................................................................................................................169
Printer Mode..................................................................................................................................... 173
Exterior Covers...............................................................................................................................................174
Front Door.................................................................................................................................................. 174
Controller Cover........................................................................................................................................175
Left Cover................................................................................................................................................... 175
Rear Cover.................................................................................................................................................176
Right Rear Cover....................................................................................................................................... 176
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