You can recalibrate the machine when you notice irregularities in the colour of the copies or prints, such as when copies turn out to be different from the original in gradation or density.
This is a precise recalibration that is made to the gradation and density settings of the machine.
The procedure involves making test pages and placing them on the platen glass for scanning. Once this is complete, the machine automatically corrects the irregularities.
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IMPORTANT
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Make sure that you place the test pages properly. Accurate recalibrations of the gradation and density settings of the machine cannot be made if the test pages are not scanned correctly.
This machine adjusts the toner and print speed according to the paper type. To make effective adjustments, select the correct paper type.
If Auto Adjust Gradation does not work well with heavy paper, print a test page with normal paper.
Auto Adjust Gradation appears in the following situations:
If the Duplex Color Image Reader Unit is attached.
If the imagePASS is installed
If the PCL Printer Kit is activated.
If the PS Printer Kit is activated.
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NOTE
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Test pages are not counted as part of the copy or print total page counts.
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1.
Press 
→ [Adjustment/Maintenance] → [Adjust Image Quality] → [Auto Adjust Gradation].
→ [Adjustment/Maintenance] → [Adjust Image Quality] → [Auto Adjust Gradation].2.
Select the type of paper to adjust → press [OK].
3.
Press [Start Printing].
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NOTE
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If the paper which is appropriate for the test page is not loaded in a paper source, a message asking you to load the appropriate paper appears. In this case, load the appropriate paper in a paper source.
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4.
Place the first test page on the platen glass.
Place the test page face down on the platen glass, with the black band along the left edge of the platen glass.
* Place the test page face down with the black band along the left edge of the platen glass.
5.
Press [Start Scanning].
6.
Remove the first test page from the platen glass → press [Start Printing].
7.
Place the second test page on the platen glass.
Place the test page face down on the platen glass, with the black bands along the top left back edge of the platen glass by the arrow.
* Place the test page face down with the black band along the top left back edge of the platen glass.
8.
Press [Start Scanning].
9.
Remove the second test page from the platen glass → press [Start Printing].
10.
Place the third test page on the platen glass.
Place the test page face down on the platen glass, with the black bands along the top left back edge of the platen glass by the arrow.
11.
Press [Start Scanning].
12.
Remove the third test page from the platen glass → press [Start Printing].
13.
Place the fourth test page on the platen glass.
Place the test page face down on the platen glass, with the black bands along the top left back edge of the platen glass by the arrow.
14.
Press [Start Scanning].
15.
Remove the fourth test page from the platen glass.