Pantum M6700 Series - How to Adjust Envelope Type in the Printing Document

6. How to adjust envelope type in the printing document?
Step1: Please double click your model of your printer in the ‘Devices and Printers’
Step2: Firstly, please change the paper size to “DL Env (110*220mm) in the printing preferences .Secondly,
change the paper type to “envelope in the printing preferences.