Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Make sure that the paper type is set to Envelope. From the control panel, navigate to: > Settings > > Paper > > Tray Configuration > > Paper Size/Type
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Send the print job.
Does the envelope seal when printing? | Contact customer support. | The problem is solved. |