For Mac OS X PS Printer Driver

  1. Start PS Gamma Adjuster.

  2. Click [New].

  3. Adjust the halftone.

    Edit the graph or enter the gamma value or the tone density in the text box to adjust the halftone.

  4. Enter a setting name in [Gamma Curve Name], and then click [Save].

  5. Click [Select PPD].

  6. Select a PPD file to register an adjusted halftone, and then click [Open].

  7. Select the created halftone adjustment, and then click [Add].

  8. Click [Save].

  9. Enter the administrator name and password, and then click [OK].

  10. Exit PS Gamma Adjuster.

  11. Select [Print & Scan] in [System Preferences].

  12. Delete the registered printer to which the adjustment has been made, and then register the printer again.

  1. Select [Print] from the [File] menu.

  2. Select [Printer Features] from the panel menu.

  3. Select [Job Options] from [Feature Sets].

  4. Select the registered [Gamma Curve Name] from the [Custom Gamma] feature set.

  5. Change other settings if necessary, and then click [Print].

    Printing starts.