When printing data from a computer using the Bypass Tray, you can put the settings configured in the printer driver ahead of the paper size and paper type for the Bypass Tray that are specified on this machine.
Select [System Settings] - [Bypass Tray Overwrite Settings for Print PC] in administrator mode of Web Connection (or in [Utility] - [Administrator] of this machine), and configure the settings. For details, refer to [Bypass Tray Overwrite Settings for Print PC].