Final answer:
The Galley Print Button (GALLEY pb) in AUTO mode automatically prints documents without further user input.
Step-by-step explanation:
The GALLEY pb in AUTO refers to the Galley Print Button in an automatic (AUTO) printing system. The Galley Print Button is a feature commonly found in word processing software that allows users to preview and print their documents. When the GALLEY pb is activated in AUTO, it automatically prints the document without any further user input. This is particularly useful when printing multiple copies of the same document or when printing a large number of documents.