user manual

8-46 Removal and Installation
HP DesignJet 430, 450C and 455CA Printers
      #       !   
     #       "  
   !! #   $
     #   $
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.
 Perform the accuracy calibration after reassembling the
Printer. (Details  chapter 5.)