Buttons

[Apply] button
Transfers and applies new settings to the printer.
When you change the settings of certain items, a message saying "Reboot system for new settings to take effect." appears. If the message appears, click the [Reboot Machine] button.
If an error occurs with one item, the changes to the items prior to it will be saved, but those after it will not.

[Undo] button
Resets new settings to the original values without transferting them to the printer.

[Refresh] button
Receives the current printer settings and updates the information in the right frame.