Patent ID: 11968341
Assignee: RICOH COMPANY, LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A | IPC A  H

Claim 0:
1. An image reading device comprising
a light source configured to irradiate a sheet with light, the light source being a sterilizing-light emitting light source configured to irradiate the sheet with light to sterilize the sheet and configured to illuminate the sheet when reading an image on the sheet during scanning;
a display panel configured to present a warning message to a user indicating the light source is presently irradiating the sheet; and
a sheet conveyance device configured to enable duplex scanning, the sheet conveyance device having, in addition to a single-sided scanning operation mode and a duplex-scanning operation mode, an operation mode in which the sheet is conveyed in the same manner as in duplex-scanning operation mode, image reading and irradiation by the sterilizing-light emitting light source is performed on one side of the sheet, and irradiation by the sterilizing-light emitting light source is performed but image reading is not performed on another side of the sheet,
wherein the light source is configured to operate in a fixed position when the sheet is moving and is configured to operate while moving when the sheet is stationary.