Image forming method

An image forming method comprising the steps of

• developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively,
• successively transferring the toner images onto an image support member so as to form a piled up image, and
• fixing the piled up image by a fixing device having a rotatable heating member including a heater fixed therein and a pressing member,
• wherein the toner for developing the latent image contains toner particles having no corner in a ratio of not less than 50% and a number variation coefficient of the particle diameter distribution in number of not more than 27%.

An image forming method comprising the steps of

• developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively,
• successively transferring the toner images onto an image support member so as to form a piled up image, and
• fixing the piled up image by a fixing device having a rotatable heating member including a heater fixed therein and a pressing member,
• wherein the toner for developing the latent image contains toner particles each having a shape coefficient within the range of from 1.2 to 1.6 in a ratio of not less than 65% in number and a variation coefficient of the shape coefficient of not more than 16%.

An image forming apparatus for

• developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively,
• successively transferring the toner images onto an image support member so as to form a piled up image, and
• fixing the piled up image by a fixing device having a rotatable heating member including a heater fixed therein and a pressing member,
• wherein the toner for developing the latent image each has a variation coefficient of the shape coefficient of not more than 16% and a number variation coefficient of the particle diameter distribution in number of not more than 27%.

An image forming apparatus for

• developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively,
• successively transferring the toner images onto an image support member so as to form a piled up image, and
• fixing the piled up image by a fixing device having a rotatable heating member including a heater fixed therein and a pressing member,
• wherein the toner for developing the latent image contains toner particles having no corner in a ratio of not less than 50% and a number variation coefficient of the particle diameter distribution in number of not more than 27%.

An image forming apparatus for

• developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively,
• successively transferring the toner images onto an image support member so as to form a piled up image, and
• fixing the piled up image by a fixing device having a rotatable heating member including a heater fixed therein and a pressing member,
• wherein the toner for developing the latent image contains toner particles each having a shape coefficient within the range of from 1.2 to 1.6 in a ratio of not less than 65% in number and a variation coefficient of the shape coefficient of not more than 16%.