12.1.2 Enabling the duplexer
Follow these step to enable the duplexer:
1. Open the printer
2. Click the Configuration tab.
3. Click Automatic Two-Sided Printing Module or Auto Two-Sided Print Accessory
with small paper tray, and then click Apply.
4. Click OK in the confirmation box that appears.
5. Click the X in the upper-right corner to close the screen.
Note: After the duplexer is enabled, it is not necessary to re-enable it every time