2.Copier-specific Adjustments
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2.4 To Improve the Reproducibility of Gray
Explanation
When an original containing gray is copied, another color may be blended in the gray area. Perform
image quality control, automatic calibration, color adjustment (color balance adjustment or RGB
adjustment) and color density adjustment, in order to avoid this problem (or to obtain an achromatic
color, for instance).
Procedures
• You can start with any of the procedures. But it is recommended to perform the procedures in order, as
listed below. You can perform one procedure in conjunction with another. But if this changes the image
quality more than required or loses the effectiveness of the adjustment, restore the settings made in
the previously performed procedure to the original ones. Then perform other procedures.
• Both the service technician and the user can perform procedures (1) and (2).
• Only the service technician must perform procedures (3), (4) and (5).
(1) Perform automatic calibration to correct variations in the copy density.
For further information regarding the adjustment procedures, refer to procedure (1) in "2.3 To
Closely Match the Color Balance of the Original".
• A privilege to perform automatic calibration is set to Administrator by default but this can be
changed to the User.
For how to change the privilege, refer to the MFP Management Guide.
After performing automatic calibration, copy and check the copy image quality.
If further image quality adjustments are still necessary, perform the next procedure.
Before adjustment After adjustment
Another color (M) is blended in the gray
area.
No undesired color is blended. A clear
copy image is obtained.
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