Printing apparatus with component information fault protection

The present invention provides a printing apparatus that can be continuously used without imposing enormous cost and time on the user, even if a memory storing a information unique to a components is damaged, and a print control apparatus for controlling the printing apparatus. After the power of the printing apparatus is turned ON, it is judged first whether an upload is to be performed before initialization operation. This is judged by judging whether an engine board is one newly installed based on a value stored in a EEPROM at the engine side. Upload is performed if the engine board is one newly installed. If not, the engine information stored in the EEPROM at the engine side is backed up to the main side. Before performing the upload, it is judged whether the printing apparatus satisfies the uploadable conditions.