Use the following procedure to enable the automatic selection of a paper tray when the print data size matches the paper size.
Press the [User Tools / Counter] key.
Press [Printer Features].
Press [].
Press the [RPGL Menu] tab.
Press [Next] twice.
Press [43. Method to Auto Select Paper Tray].
Press [Auto 2: Long Edge and Short Edge] or [Auto 1: Long Edge], and then press [OK].
For RP-GL, select "Auto 2: Long Edge and Short Edge". For RP-GL/2, select "Auto 2: Long Edge and Short Edge" or "Auto 1: Long Edge".
Press [Previous].
Press [20. Reproduction Ratio].
Make sure that "100.0%" is selected as the Reproduction Ratio, and then press [OK].
If a different value is displayed, enter "100.0%" using the number keys.
Press [Exit].
Print the data from the computer.
Paper is fed from the paper tray loaded with the size of paper determined by "46. Paper Type for Auto Select Paper Tray".
For details about how to configure the settings in "43. Method to Auto Select Paper Tray", see 43. Method to Auto Select Paper Tray.