Fuji Xerox DocuCentre SC2020 Service Manual page 657

6.4.16.3 CVT Auto Shading (Color)
Purpose
This diagnostic function performs correction on the density dispersion that is caused by floating DADF.
• DADF Density Correction Mode (Color): Scans in Color and calculates the Color Density Coeffi-
cient.
NOTE: Auto Shading is to be performed during CE Image Quality adjustment after replacing the
DADF, Top Cover, or CIS Unit.
Procedure
1. Enter the CE Diag Mode (FAX/Scanner Diag -> Parameter) and input 715-106 in the Chain-Link to
set the Paper Type used during Auto Shading.
Chain-Link No. Value Paper Type
715-106 0 Use NVM Individual Paper Coeffi-
IIT Paper Code cient
1 J paper
2 P paper
3 C2 paper
4 Green100 paper
5 Digital Color Xpression
6 Color Tech+
7 Xerox4200 paper
8 Xerox Business
2. Use the [Down arrow] button to select [CVT Auto Shading (Color)], and press the [OK] button.
Figure 1 j0bs64153
3. Press the [OK] button.
Version 1.1
DC SC2020
Table 1
Default Setting
Value Range
0 0~8
4. Load 1 A3 size blank sheet on the DADF and press <OK> to start the Auto Shading.
• Performs shading to stabilize the IIT state.
• Obtains the shading data.
• Performs sampling of white paper data to calculate and set the White Reference Correction
Coefficient. (Written into NVMs [715-097 to 715-099].)
• Performs shading to reflect the result after the White Reference Adjustment.
5. [When the Auto Shading has completed, the following measured values will be displayed .
6. Press the [<--] (Back) button to return to the [Fax/ Scanner Diag] screen.
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6.4.16.3 CVT Auto Shading (Color)
General