Title:
画像形成装置
Document Type and Number:
Japanese Patent JP7433946
Kind Code:
B2
Abstract:
An image forming apparatus includes: an image forming unit configured to form an image; a transfer circuit configured to generate a transfer voltage, and supply the transfer voltage to transfer roller for transferring the image onto a sheet; a door provided to a mounting portion onto which the image forming unit is mounted; a sensor configured to detect an open/closed state of the door; an interlock switch configured to interrupt voltage to be supplied to the transfer circuit, in a case where the sensor detects an open state in which the door is opened; and a controller configured to: determine whether a failure has occurred or not based on a detection result of the sensor and a supplying/interrupting state of the voltage of the interlock switch; and determine, in a case where determining that the failure has occurred, which of the sensor and the interlock switch is failed.
Inventors:
Shuji Obata
Application Number:
JP2020017897A
Publication Date:
February 20, 2024
Filing Date:
February 05, 2020
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G21/00; B41J29/13; B41J29/38; B41J29/42; B41J29/46
Domestic Patent References:
| JP10268715A | ||||
| JP2003103769A | ||||
| JP2000263844A |
Foreign References:
| US20120104866 |
Attorney, Agent or Firm:
Seigo Suzuki