The maintenance menu contains all the pricing tables and system setup tables.
In here you can add, edit or delete any press, copier, printer, prepress option, bindery option or other services option. This is also where you can get a price list or cost list for stock.
The main system tables are here. This is where you set all of the defaults used in the templates. The shop information, address and messages are in here. The default sales tax rates and service charge rates are also located here.