HP Deskjet 6840 Printer series - 12  Optional accessories

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12 Optional accessories

The following optional accessories are available to be used with your HP printer.

Automatic Two-Sided

Printing Accessory

250-Sheet Plain Paper Tray

Auto Two-Sided Print

Accessory with Small Paper


If an accessory is not included with your printer, it can be purchased separately from

an authorized HP dealer.
For accessory part numbers, see the

accessory supply list


Note: The availability of accessories varies by country/region.