HP Officejet 4634 e-All-in-One (D4J78B)
MFG Part Number: D4J78B
8ppm black, 5ppm color, 1200 x 600 DPI, 1 USB 2.0;Wireless 802.11b/g/n
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PC Board DC parts for D4J78B HP Officejet 4634 e-All-in-One Printer
D4J78B-PC_BRD_DC
PC Board DC - Internal power supply board - power cable plugs on this assembly, remove covers to install pc board.
Officejet 4634 e-All-in-One Printer parts list