Pull out the tray specified
on the front panel.

Verify that the length
and width guides are pressed against the paper.

Push the tray completely
into the printer.

Specify the size of the paper:
In the front panel menus, select Printer Setup, then press the OK button.
Select Paper Handling Setup, then press the OK button.
Select Tray 2 Setup, Tray 3 Setup, Tray 4 Setup, or Tray 5 Setup, then press the OK button.
Select Auto Sensed, Custom, or a listed paper size, then press the OK button.
If you selected Custom, specify the width and height of the paper. Select Custom Width, press the OK button, enter the width of the paper, then press the OK button. Select Custom Height, press the OK button, enter the width of the paper, then press the OK button.