Removing the Pinch,Arm Lift Mechanism

Refer to figure 10 ' page 49.

Removal

1.Remove the drive roller ' page 8,44.

2.Little by little, unscrew the cam,journal screw (item 1) on the right side, at the same time continually pushing the screw in towards the center of the Printer, until you feel that you have pushed the cam,journal nut out of the journal.

3.Pull the right cam,journal (item 2) out of the bar cam (item 3).

4.Grasp the left cam,journal (item 4) on the left side of the Printer.

5.Reach around to the front of the Printer and push the top of the bar cam slightly towards the rear of the Printer, simultaneously pulling the left cam,journal to the left, so that the bar cam can begin to slide out of the left sideplate.

Removal and Installation

HP DesignJet 430, 450C and 455CA Printers

8-47