Batch coding machines are categorized in the following two categories;

  • Contact coding type
  • Non contact coding type

These coding machines are further sub categorized into the following types depending on their mode of operation:

  • Automatic

Once set, works automatically with the operator only having to look after its working and settings. Feeding, printing, collecting operation are done automatically, however these features vary in the different makes of machines.

  • Semi-automatic

The machine works on its own but the feeding and collecting has to be done by hand.

  • Hand operated or manual

Feeding as well as the machine are operated manually. They are suitable for small production and are highly portable.

  • Online

These machine works automatically online with other machines or they can be of continuous type with feeding from other machine, by hand or other feeding mechanisms, but are integrated or attached in line with other online machines.

Wikipedia