Canon imageRUNNER 2525 Series Service Manual page 323

2. Press the button on the right cover to open the right
cover.
CAUTION:
To prevent the drum unit from being damaged, keep
the right cover open at least 5 cm during the installation
procedure.
3. Turn the lock lever as shown below to release the
collected toner container. And then take out the
collected toner container.
4. Remove one screw from the developer pressure
lever. The screw does not exist in some machine
versions by destination.
5. Turn the lever as shown below to release the drum
unit.
1x
6. Remove the drum cover. (Keep the drum cover
because it may be used later for machine relocation.)
7. Unpack the new drum unit, remove packaging
materials, and then pull two orange rings to remove
the protective cover
CAUTION:
• Do not touch the drum surface while at work.
• Do not expose the drum surface to light for a long
period of time.
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9. Installation