Perform manual shading correction

Perform manual shading correction when you want to correct the uniformity of the color panes in the direction perpendicular to the feed direction or the color panes close to the edges of the sheet.

Tools

i1Pro3 spectrophotometer (i1Pro2 also supported)

Perform manual shading correction

Manual shading correction window

1. Calibrate the printer.

   IMPORTANT

   You must always perform a printer calibration before you continue with this procedure.

2. Check the print quality to decide if you want to proceed.

3. Perform automatic shading correction.

4. Check the print quality to decide if you want to proceed.

5. Load the largest size uncoated media you use, for example, SRA3.

6. Touch [System]  → [Color adjustment]  → [Adjust print engine]  → [Manual shading correction] .

7. Select a density range: low, medium, or high.

   NOTE

   The values in the [Default] tab can be viewed but not edited.

8. Touch [Print chart] to print the gradation chart.

   NOTE

   The gradation chart for the currently selected density range is printed.

   Gradation chart

9. Check each color bar on uneven color densities.

10. Make the corrections on the locations where you see deviations.

    The locations are indicated per color with a number from -6 to 6.

    The initial values are displayed between brackets.

11. Repeat step 7 - 9 until each color bar has a uniform color.

12. Touch [OK].

After you finish

In the exceptional case where the manual shading correction does not deliver the required color quality, do the following:

1. Touch [System]  → [Color adjustment]  → [Adjust print engine]  → [Manual shading correction] .

2. Touch [Set all to 0].

3. Perform automatic shading correction.

4. Continue with manual shading correction.

More information

• Calibrate the printer

• Perform shading correction