| 主权项 |
1. A developer collecting device comprising:
a collecting box that accommodates developer discharged from a developing unit so that the developer accommodated in the collecting box does not return to the developing unit, the developing unit accommodating developer including toner and a carrier, the developing unit developing an electrostatic latent image on a development member using the toner in the developer, wherein the developing unit includes a developer transporting member that, while rotating, carries on a surface thereof the developer that is accommodated in the developing unit and transports the developer to a location opposing the development member; a guide cylinder that connects the developing unit and the collecting box to each other, the guide cylinder guiding movement of the developer discharged from the developing unit to the collecting box; a transporting member that is disposed in the guide cylinder, that extends in a developer transport direction, and that transports the developer towards the collecting box by rotation of the transporting member; and a rotation controller that controls rotation speed of the transporting member in accordance with conditions that affect a capability of developing the electrostatic latent image on the development member, wherein the rotation controller performs control that reduces the rotation speed of the transporting member in accordance with an increase in rotation speed of the developer transporting member. |
