3D Systems ProJet 4500 Installation Manual page 14

3. Upper Rear Cover
Holding the upper and lower edges, lift the cover directly
upwards to disengage.
INSPECT "TIP AND TELL"
Check the "Tip and Tell" indicator inside the printer
IMPORTANT: If blue beads are present in the upper por-
tion of the indicator this indicates that the system has been
mishandled.
In this instance call 3D Systems Service Department im-
mediately. DO NOT proceed with the installation until you
have discussed this with Service.
3D Systems, Inc.
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