6800 Stapler/Stacker/Mailbox FinisherImprove workflow management and accommodate multiple users by adding automatic stapling and stacking with job offset to your HP LaserJet printer. Monitor your printer less frequently with automatic print job stapling and stacking. This accessory supports greater productivity and less printer management. Save time finding your print job with jobs sorted into neat stacks. Compatible with HP Color LaserJet Enterprise Flow MFP 6800zfw+ and HP Color