HP officejet 4400 all-in-one printer - k410a (CQ777A)
MFG Part Number: CQ777A
USB 2.0
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Gear Main parts for CQ777A HP officejet 4400 all-in-one printer - k410a
CQ777A-Gear_Main
Gear Main - Paper pickup drive assembly - gear assembly located on right side of paper pickup assembly. gear moves the main paper pick up roller.
officejet 4400 all-in-one printer - k410a parts list