A THERMAL PRINTHEAD ASSEMBLY FOR USE IN HIGH VOLUME PRINTING SYSTEMS. OPERATES BY PASSING A CURRENT THROUGH IT TO PRODUCE HEAT, WHICH CREATES AN IMAGE ON A HEAT SENSITIVE MEDIUM PASSING THE PRINTHEAD. INDIVIDUAL HEATING ELEMENTS ARE EACH ABLE TO PRODUCE A DOT, WHICH TOGETHER PRODUCE THE IMAGE. THE BASE MATERIAL OF THE THERMAL PRINTHEAD IS ALUMINA CERAMIC DEPOSITED ON TO THIS ARE A THIN LAYER OF GLASS, SOME METAL LAYERS AND PROTECTIVE COVERINGS. THE ELECTRICAL CONNECTIONS TO THIS ARE ROUTED THROUGH A NUMBER OF DRIVER INTEGRATED CIRCUITS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8443 PRINTING MACHINERY USED FOR PRINTING BY MEANS OF PLATES, CYLINDERS AND OTHER PRINTING COMPONENTS OF HEADING 8442; OTHER PRINTERS, COPYING MACHINES AND FACSIMILE MACHINES, WHETHER OR NOT COMBINED; PARTS AND ACCESSORIES THEREOF. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 844399 PARTS AND ACCESSORIES CN CODE 84439990 OTHER THAN ELSEWHERE SPECIFIED IN THIS SUBHEADING. TARIC CODE 8443999000 OTHER THAN ELECTRONIC ASSEMBLIES. ALSO CLASSIFIED IN ACCORDANCE WITH: NOTE 2(B) TO SECTION XVI COMBINED NOMENCLATURE EXPLANATORY NOTES 84439990 PARTS AND ACCESSORIES