HP Color LaserJet 9500 Multifunction Printer series - Manual (Page 216)

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200 Chapter 8 – Managing and maintaining Rev. 1.0
10 Repeat steps 5 through 9 for each cartridge that needs to be replaced.
Close the image-drum door, pressing the tabs at the top of the door until
they click into place.
11 Rotate the blue dial down until it stops.
12 Swing the large green lever up. Close the front doors.
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