An end user reports a printer error that states "Replace filament". With which of the following types of printer is the end user MOST likely having problems?
A. ink jet
B. Laser
C. 3-D
D. Thermal
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C – 3-D — A filament of thermoplastic, metal wire, or other material is fed into an extrusion nozzle head (3D printer extruder), which heats the material and turns the flow on and off.