Question

material jetting (mj) printers have which of the following? an led base a sintering laser multiple printer heads a rotating re - coater arm

Explanation:

Material jetting (MJ) printers are known for having multiple print - heads that can deposit different materials. This allows for full - color prints and printing of multiple materials in one print job. There is no mention of an LED base, sintering laser, or rotating re - coater arm being characteristic features of MJ printers.

Answer:

multiple printer heads