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Outline

The Inventor IIS has a bed that moves up and down on the Z axis. This bed will need to be "leveled" or "trammed" from time to time to ensure that the nozzle is the proper distance from the print surface.

The printer has it's own leveling sequence built into the printer. From the main screen, click LEVEL.

Seems easy.. what's the issue?

The Inventor will instruct you to tighten all of the the thumbscrews until they cannot be tightened any more. This is not correct. Doing so will mean that loosening the front left nut all the way will mean that the bed has still not raised enough to make the printer beep. The other 2 remaining screws are still too tight! The fix is to either not tighten the nuts all the way, or to unscrew the other 2 screws a couple of turns.