Charging device, cartridge, and image forming apparatus

Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus

Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density

Image forming apparatus

Image-forming apparatus to control potential difference based on image-forming operation

Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing member

IMAGE-FORMING APPARATUS

Image forming apparatus

Image forming apparatus

Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portion

Image forming apparatus with developer collection

Image forming apparatus with collection

Image forming apparatus with developer collection

Charging device and image forming apparatus

Charging member and image forming apparatus

Image forming apparatus featuring control voltages applied to magnetic particle carrying members

Image forming apparatus

Charging device, image forming apparatus and method of charging image carrier of image forming apparatus

Charging device, image forming apparatus and charging method

Charging apparatus and image forming apparatus

Charging device capable of switching and executing charging processing for photosensitive surface of photosensitive member and collection processing for developing agent remaining on the photosensitive surface

Image forming apparatus including a photosensitive member, a cleaning blade, and a cleaning brush

Image forming apparatus having a charging brush capable of effectively removing contaminants including residual fine toner

Injection charging device promoting uniform charging of an image bearing member

Image forming apparatus and charging unit therefor

Charging apparatus and image forming apparatus