Konica Minolta magicolor 4690MF - Manual (Page 269)

Tray 3 (Lower Feeder Unit) 257
7
Reconnect the power cord, and
turn on the machine.
8
From the printer driver, correctly specify the setting for Tray 3.
"
For details on specifying printer driver settings, refer to “Selecting
Printer Driver Options/Defaults (for Windows)” on page 98.