If you select [Machine Setting(s)] in [Bypass Tray] under [Tray Setting Priority] in [System] of the Printer Features menu, the settings made using the control panel have priority over the printer driver settings. For details, see "System", Print.
The default setting of [Bypass Tray] is [Driver/Command].
Settings remain valid until they are changed. After printing, be sure to clear settings for the next user.
For details about setting printer drivers, see "Printing Documents", Print.
(mainly Europe and Asia)
[A4] is the default setting for [Printer Bypass Paper Size].
(mainly North America)
[81/2 × 11] is the default setting for [Printer Bypass Paper Size].