Four heads in one

-2 sets of AM PRINCE printing heads

- 4 groups of 500W continuous fiber lasers

Option 1# One head stops and the other three heads are randomly compnestaed. No risk of interruption in printer operation.

Option 2# Two heads stop and the other two heads are randomly compensated. No rist of interruption printer operation.

Option 3# Three head stop and the last head is randomly compensated. No risk of interruption in printer operation.