For Windows PS printer driver

  1. Open the file to be printed.
  2. Select [Print] from the [File] menu.
  3. Select [OKI C650 PS] from [Select Printer].

  4. Click [Preferences] (or [Properties]).

  5. Select the [Paper/Quality] tab.

  6. Select the tray to be printed from in [Paper Source].

  7. Click [Advanced].
  8. Click [Paper Size], and select the loaded paper size from the drop-down list.
  9. Set other necessary items.
  10. Click [OK].
  11. Printing starts.