Buy HP - Hewlett Packard C8947A-SENSOR_OUT
OOPS sensor - out of paper sensor - detects the presence of the paper in the printer tray 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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