1. Load paper into the Paper Cassette or Multi-purpose Tray.

2. When you use A4 or Letter size paper, set the Paper Adjustment Lever for 2-sided(Duplex) Printing to match your paper size.

1. For Windows User

Open the Properties dialog box in the printer driver. Select Duplex Printing mode in the Advanced tab, make sure that 'Use Duplex Unit' has been selected, and then click the OK button. The printer will print on both sides of the paper automatically.

<PCL Driver>

<PS Driver>

2. For Macintosh User

Change the Pages per sheet setting in Layout.

1. Click the 'File' menu, and then select the 'Print' option. You will see a dialogue similar to the one below:
   

2. Click the "General" drop down box. You will see a drop down list with the following options:

3. Once on the layout page you can enable 2-sided(duplex) by selecting the "Print on Both Sides" checkbox.
   
   From here you have the choice to select either long or short edge duplexing. Select the option you require for your print job. See the image below.
   
   From here you have the choice to select the Pages per sheet, Layout direction and Border. Select the option you require for your print job. See the image below.