The development motor [F] drives the development sleeve [C], the three transport augers [B] [D] [E], and the developer collection coil [A] through couplings.

Each color development unit has a development motor [F] that drives each of the units.

Pro C5200S/C5210S has the development roller home position sensor [A] to counteract banding (DEMS). The number of teeth of the gears [B] for K is different from Y/M/C in Pro C5210S/C5200S.