Patent ID: 7986887
Filing Date: 2011-07-26
Classification: G03G

Abstract:
1. An image forming apparatus which forms images using an exchangeable unit having a mounting section to mount a unit information store use memory, unit information including use status of the exchangeable unit being stored in the unit information store use memory, said image forming apparatus comprising: a memory that includes a hindrance history information storing section in which history information about malfunctions of the image forming apparatus is stored; an external memory interface to which either the unit information store use memory or an apparatus information store use memory can be coupled; a judging section which judges whether or not any one of the unit information store use memory and the apparatus information store use memory is coupled to the external memory interface; and a controlling section which controls the apparatus information store use memory to store the history information from the memory when the judging section judges that the apparatus information store use memory is coupled to the external memory interface, and which controls the unit information store use memory to store information about the exchangeable unit when the judging section judges that the unit information store use memory is coupled to the external memory interface.