Buy HP - Hewlett Packard C8947A-SCANNER_UNIT
Scanner unit includes the entire scanner base, but not the ADF portion. 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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