3. Rotate the paper thickness lever clockwise as far as it will go.
4.Press the Alt button. Then press Pause.
5.Close the printer cover.
Loading the paper trayAfter adjusting the paper thickness lever, follow these steps to load the paper tray:
1.Remove the output tray and remove any paper from the paper tray.
2.If you are printing on envelopes, pull back the paper tray extension. Then remove the rear edge guide, turn it around, and reinstall it as shown.