Image forming apparatus with controller to control operation based on open or closed state of upper portion of apparatus

摘要

An image forming apparatus includes an upper portion that is openable/closeable relative to a main body of the imaging apparatus and an operation panel provided on the upper portion. The receiving unit is configured to receive an operational instruction input by a user through an operation panel. A sensor detects an open/close state of the upper portion. A controller is configured to control operation of the image forming apparatus, wherein in response to receiving an open state signal, the controller at least one of invalidates an operational instruction received by the operation unit within a predetermined period prior to receiving the open state signal and terminates an operation being executed.