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Chapter 3 Troubleshooting
3. 4. 4. 22 DC924 TRC Adjust (Color Image Control)
Function To set up the image quality to meet the user's preference, by increasing and decreasing
the value of gradation correction center value of low density, medium density, and high density for
each YMCK color.
Procedure
1. Select the "Color Image Ctrl" tab on the Service Mode screen.
2. Select [
DC924
] on the Color Image Ctrl screen.
3. The TRC Adjustment screen is displayed.
• The density becomes darker when data is increased, and lighter when decreased.
4. Select [Execute].
5. Select [Close] to return to the Color Image Ctrl screen.
Do not perform this Diag unless the customer requests.
For detailed procedure, refer to Chapter 2 ADJ1.1.5.
Even when the value is changed, it is not reflected into the image quality immediately. It
is reflected after completing this Diag, turning power On/Off, and after printing 2 jobs
(e.g.: when one print is performed twice, the change in value is reflected in the image
quality of the 2nd print job).
In addition, to change the appearance of the image, data must be changed by 4 or more.
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