Patent ID: 7660541

Claim:
An image formation apparatus comprising: a waste toner accommodation unit accommodating waste toner recovered; a rotation unit having first and second ends rotatably connected to two internal opposite surfaces, respectively, of said waste toner accommodation unit, said rotation unit transporting said waste toner from said first toward second ends as said rotation unit rotates; a segmentation unit segmenting an interior of said waste toner accommodation unit into a first region covering a portion of said rotation unit and containing said rotation unit, and a second region excluding said first region, said segmentation unit having a plurality of holes in a direction along said rotation unit to allow said waste toner to communicate between said first and second regions; a rotation stopping mechanism stopping said rotation unit from rotating when a load torque of said rotation unit attains a predetermined torque value; and a determination unit determining that said waste toner in said waste toner accommodation unit has reached a predetermined amount in response to said rotation unit stopping rotating.