4.Ensure that the bearing assembly at the right end of the drive roller is seated in the right sideplate and completely on the right side of the axial bias plate.

5.Replace the Overdrive Assembly ' page 8$50.

6.Replace the Media Motor Assembly ' page 8$23.

Press down on the media mount as you replace the three screws. This is to ensure correct spacing between the drive roller and the cartridge nozzles.

C￿li￿r￿tion: Perform the accuracy calibration after reassembling the Printer. (Details ' chapter 5.)

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HP DesignJet 430, 450C and 455CA Printers

Removal and Installation