thermal wax transfer printer
A type of printer that uses heat to transfer wax-based ink onto paper; used in computing and industrial contexts.
Thermal wax transfer printers are often used for printing barcode labels.
General term for a printer; 熱転写プリンタ specifies the thermal wax transfer type.
phase change printer
Compound of 熱 (heat), 転写 (transfer, copying), and プリンタ (printer). A straightforward technical term.