Image forming apparatus
AssigneeSharp Kabushiki Kaisha
InventorsKouji Miyake, Shuhji Fujii, Kazuhiko Ido, Tsutomu Yoshimoto
Life of this patent
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Abstract
An image forming apparatus is provided, in which communication history that may change in a sleep mode is updated and displayed, whereby state of data communication in the sleep mode can be grasped. Even if the image forming apparatus as a whole is stopped, power is supplied only to a communication unit. When data is transmitted/received from an external device, a communication controller of the communication unit that transmitted/received data temporarily drives an electronic paper, so that transmission/reception log is displayed on electronic paper. Thereafter, power supply to the electronic paper is stopped.
Claims10
An image forming apparatus, comprising:
- a power conduction control circuit controlling partial power conduction of the apparatus;
- a first display unit displaying state of the apparatus when power is supplied to the apparatus by said power conduction control circuit;
- a second display unit maintaining displayed contents when power is not supplied to the apparatus by said power conduction control circuit;
- and
- a communication unit transmitting/receiving data to/from an external device;
- wherein
- said communication unit includes an updating unit allowing data transmission/reception to/by said second display unit when power is supplied to said communication unit, and from said communication unit to said second display unit, while power is not supplied to the apparatus by said power conduction control circuit, for updating contents displayed on said second display unit upon said data transmission/reception.
Dependencies are inferred from the claim text.