| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device by which accurate correction to eliminate density deterioration due to the void of a boundary part is always performed without causing the increase of the size and the cost of the device as the image forming device in which the image data of a specified correction area extended from an edge to the area of a low dot area ratio is corrected by detecting an edge position in the case that an electrostatic dot latent image relatively changing from the area of a high dot area ratio to the area of the low dot area ratio by taking a specified edge as a boundary in accordance with the timewise order of development by a developing unit is formed on an image carrier. SOLUTION: This device possesses data correcting means 1433 and 1434 by which the image data of the specified correction area extended from the edge to the area of the low dot area ratio is corrected to the side of the high dot area ratio based on an edge position detected by an edge detecting means 1432, respective dot area ratios of the area of the high dot area ratio and the area of the low dot area ratio across the edge and the potential of a toner image for measuring potential measured by a toner image potential measuring means 13. |
