Registering a gamma adjuster name

For Windows PS printer driver

1. Click [Start], and select [Okidata] or [OKI] - [PS Gamma Adjuster].
2. Select [OKI C650 PS] from [Select Printer].
3. Click [New].
4. Adjust the halftone.
   Adjust the halftone by editing the graph or inputing the gamma value and tone density in the text box.
5. Input the setting name in [Gamma Curve Name], and click [OK].
6. Click [Add].
7. Click [Apply].
8. Click [OK].
9. Click [Exit] to close the PS Gamma Adjuster.

For macOS

1. Start the PS Gamma Adjuster.
2. Click [Edit Gamma Curve].
3. Adjust the halftone.
   Adjust the halftone by editing the graph or inputing the gamma value and tone density in the text box.
4. Input the setting name in [Gamma Curve Name], and click [Save].
5. Click [Select PPD File].
6. Select a PPD file, and click [Open].
7. Select the gamma adjuster you created, and click [Add].
8. Click [Save].
9. Select [Printers & Scanners] in [System Preferences].
10. Delete the registered device to which the adjustment has been set, and then register it again.