Canon imageRUNNER ADVANCE C5500 Series Service Manual page 338

7. Slowly slide the Process Unit [1] back into the host machine, and secure it with the 2 screws [2].
CAUTION:
After closing the Process Unit, press the 8 grips [1] of Drum Units from the top as shown in the figure below.
If the Drum Unit [2] is not installed properly, it may cause color displacement.
8. Install the cover and close the Process Unit Shutter Lever [1].
• 1 Screw (to tighten)
[1]
[1]
[2]
[1]
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4. Disassembly/Assembly
2x
[2]