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Chapter 3 Consumables Replacement
70
Developing Unit Removal
1. Turn the power switch OFF.
2. Open the printer front upper cover. (See page 52)
3. Prepare a plastic bag over which the developing unit can be
placed.
4. Remove the developing unit from the printer (See page 73.)
and place it on the plastic bag.
IMPORTANT
When replacing developer in an existing developing unit, you
must empty and clean the unit before adding new developer
(every 150,000 pages).
Removing Old Developer
5. Turn the toner cartridge knob counterclockwise until it stops,
then remove the cartridge from the developing unit.
Legend:
1) Toner Cartridge
2) Toner Cartridge Knob
3) Cover
4) Screws (3)
5) Developing Unit
5
3
4
1
2