HP Deskjet 6840 Printer series - 12.1.2  Enabling the duplexer

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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

you print.