Buy HP - Hewlett Packard C8947A-FLAG_ADF
Photo-sensor assembly - includes the sensor and mounting bracket - paper pickup roller home position sensor - activated by the sensor flag on the pickup roller assembly - mounths on the front frame of the ADF paper pickup assembly For DeskJet 3420
HP - Hewlett Packard
OEM (Original Equipment Manufacturer) - this item is the original item sold from the manufacturer.
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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