(Black): Cooling Sheet/77 Development Unit (Cyan, Magenta, Yellow): Cooling Sheet/
Development Unit (Special): Cooling Sheet" in the Regular Maintenance Guide.
1. Pull out the PCDU until it stops.
2. Wipe the cooling sheet [A] with a dry cloth or a cloth dampened with water and wrung
well.
• The figure below shows an example of waste.
3. Separate the development unit from other units.
4. Scrape toner from the development unit case [A] with a dry cloth.
Cleaning the Parts of the Machine
207