| 摘要 |
A paper ejection apparatus of a multifunctional business machine having a driving wheel installed on a rotatable inner door allows the driving wheel to move with the inner door, and therefore provides sufficient space for cartridge replacement when the inner door is opened. A height difference between a platform and an end of a slit of the housing of the multifunctional business machine allows the driving wheel and an exit roller to have an interfering pre-stress in between when the inner door is closed. The driving wheel is not interfered by the exit roller when the inner door is opening, which prevents the driving wheel from deviating, imprecise homing, or even falling when the inner door is opening or closing.
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