Question

material jetting printer parameters
use the information below to answer the question presented.
material jetting has a very fine printhead, probably the most fine printhead out of all printing processes. at 16 microns, it is useful for detailed designs in which other processes would not work as well. because of this small printhead, frequent maintenance is required to avoid clogs and keep a steady flow of resin.
why are material jetting printheads pressure - fed rather than gravity - fed?
because material jetting printers are expected to be used in outer space, where there is no gravity
because this allows the operator to control how rough/smooth the object is
because gravity fed printheads are inconsistent depending on the air pressure

Explanation:

Material jetting printheads are pressure - fed to ensure a steady flow of resin through the fine printhead. Gravity - fed systems may not provide consistent flow, especially for such fine printheads. There is no indication that they are designed for outer space use, and controlling surface roughness is not the main reason for pressure - feeding. Also, the main issue with gravity - fed is not air - pressure dependence but rather the inability to provide a steady flow for fine printheads.

Answer:

None of the provided options are correct. The main reason is to ensure a steady flow of resin through the fine printhead as gravity - fed may not be consistent enough.