To provide an image forming method and an image forming device capable of forming an improved electrophotographic image free from a defective image while maintaining good cleaning performance over a long period even in the case of using an organic photoreceptor.

The image forming method is characterized in that toner used for developer is constituted by adding fine particles having the number-average primary particle size of 201 to 2,000 nm to color particles, and a cleaning blade for a cleaning device and a cleaning blade supporting member are joined together while partly overlapping each other in parallel, and a damping material is stuck on the cleaning blade.