Patent attributes
An image forming system and an image forming apparatus capable of preventing a useless printing from causing are provided. In the image forming system and an image forming apparatus, a printing condition registering section registers printing conditions each containing plural condition elements corresponding to action states concerning with printing; a state detecting and obtaining section detects a change of the action states and obtains a state detection information corresponding the change when received a requirement from a host PC to use one of the printing condition; and a printing condition abstracting section judges each printing condition registered in the printing condition registering section is whether valid or invalid and generates a invalid presenting information on the basis of the state detection information, and at least sends the valid print conditions and the invalid presenting information to the host PC.