It may be possible that on some vacuum table units a bracket is not properly mounted. This bracket is attached on the chain of the optional vacuüm table cable:
 |
 |
Due to the wrong direction of the bracket, it might possibly obstruct the up / down movement of the printing table.
Not good: |
Good: |
The issue may occur between serial number JO3U000001 until JO3U000049
If the part is mounted in the wrong direction, please follow this procedure to correct the issue.
Step 1 - Remove the 2 screws that secures the bracket on the bottom side
 |
 |
Step 2 - Correct the orientation of the bracket, fix the screws back
 |
 |