3D Systems ProJet 4500 Installation Manual page 24

12. This screen indicates that the foam shipping restraint for the Build
Platform can now be removed.
13. Open the front door by presing the left button on the Control Panel.
Be sure to hold down the cover at the same time until solenoid
disengages. Remove the foam block from the Build Chamber.
Press CONTINUE on the LCD.
14. INSTALL DEBRIS SEPARATOR is displayed.
Install the Debris Separator as shown.
Press CONTINUE on LCD panel..
15. Remove absorbent pad from bottom of print head
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