Canon imagePROGRAF PRO-300 13" Photographic Inkjet Printer - Manual (Page 355)

Changing the Clear Coating Settings
When you perform clear coating, the printer applies chroma optimizer (CO) ink onto the printing surface and
allows you to adjust the glossiness.
1. Open the printer driver setup window
2. Select the manual color adjustment
On the Main tab, select Manual for Color/Intensity , and click Set... .
The Manual Color Adjustment dialog box opens.
3. Setting the clear coating area
Click the Clear Coating tab, select the Clear Coating Area item that matches your purpose (see below
for the selections), and then click OK .
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