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7. DEVELOPING UNIT
(1) Toner Cartridge Rack
When printing in each of the four different colors of toner, the Toner Cartridge Rack is
rotated to bring the Toner Cartridge of the corresponding color of toner (K, Y, M, or C) to the
developing position.
(2) Drive for the Toner Cartridge Rack
• The Toner Cartridge Rack is driven by the Rack Motor (M2) and Rack Clutch.
Toner Cartridge Rack
Toner Cartridge
Direction of
Rotation
PC Drum
Developing
Roller
Developing Roller
Drive Gears
4131M047AA
4131M048AA