Buy HP - Hewlett Packard C8947A-PC_BRD_INTERFACE
Internal print server lan interface board - plugs into peripheral eio. usefull for networking and multiple users. For DeskJet 3420
HP - Hewlett Packard
OEM (Original Equipment Manufacturer) - this item is the original item from the manufacturer sold as brand new.
Refurbished is the process of reselling an item that had been in good working order. Refurbished items are dis-assembled and restored to "like new" condition.
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