2-28 Phaser 6121MFP Service Manual
Theory of Operation
The standby position is 28° degrees before the developing position of the
Magenta Toner Cartridge.
The developing position is where the Toner Cartridge Rack is rotated 62° degrees
from the standby position.
The cartridge replacement position is where the Toner Cartridge Rack is rotated
90° degrees from the developing position.