HP Deskjet 6840 Printer series - 12.1  Automatic Two-Sided Printing Accessory (duplexer)

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12.1 Automatic Two-Sided Printing Accessory


The duplexer is a special hardware device that enables the printer to automatically

print on both sides of a page.
Using a duplexer with your printer has several advantages. It allows you to do the

following tasks:

• Print on both sides of a page without manually reloading the page.
• Use less paper by printing on both sides of paper sheets.
• Create professional-looking brochures, reports, newsletters, and other special


If the duplexer is not packaged with your printer, it can be purchased separately

from an authorized HP dealer.

HP Deskjet 6800 series printer


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Note: The duplexer is not available in all countries/regions.

The duplexer only supports certain paper types. For a list of supported paper types,

see the

duplexer specifications