When printing on envelopes and heavy paper, you need to adjust the paper thickness lever to compensate for the extra paper weight.

1.Make sure the printer is turned on. Then press the Pause button and open the cover.

2.While holding down the Alt button, press the Font button. The carriage moves to the lever-adjusting position. Paper loaded in the printer is ejected when you adjust this lever.

3.Turn the paper thickness lever clockwise as far as it will go.

4.Press the Alt button. Then press Pause.

5.If you are printing onto envelopes, remove the rear edge guide from the input tray and reinstall it as shown.

Paper Handling 3-5