Image forming apparatus and method of image inspection to detect image defect and sheet color

摘要

An image forming apparatus includes an image forming unit that forms an image on a sheet based on first image data, an image reader that reads a surface of the sheet having the image formed thereon and generates second image data, and a controller that performs detection to detect a defect of the formed image depending on a difference between the first image data and the second image data. The controller analyzes a setting for the sheet or the second image data to determine a sheet color of the sheet and restricts the detection depending on the sheet color.

主权项

1. An image forming apparatus comprising:
an image forming unit that forms an image on a sheet based on first image data; an image reader that reads a surface of the sheet having the image formed thereon and generates second image data; and a controller that performs detection to detect a defect of the formed image depending on a difference between the first image data and the second image data,
wherein the controller analyzes a setting for the sheet or the second image data to determine a sheet color of the sheet and restricts the detection depending on the sheet color, andwherein the controller categorizes a pixel as a target area or a non-target area for inspection depending on an amount of coloring material adhering to the sheet for the pixel in formation of the image, and the controller disables the detection for the non-target area.