Schedule B, is a statistical classification of domestic and foreign commodities that are exported from the United States. All of these commodities must be assigned a ten-digit Schedule B number. The first 6 digits of the Schedule B number are Harmonized. The harmonized system is a worldwide classification method in which the same 6-digit number is assigned to a good regardless of its origin or the language in which it is described. The harmonized system consists of 22 sections, divided into 97 chapters. There are approximately 8,400 10-digit numbers in the 1996 edition of the Schedule B book.

Here is a breakdown of the harmonized system:

I am looking for the HS number for an inkjet printer that I want to export with the rest of a system. The number that I am looking for is 8471.49.3400