Canon LBP-3260 Service Manual page 22

CHAPTER 1
6) Remove the 2 screws on the PCB.
7) Insert the claw of the hard disk into the hole of the PCB.
8) Fix the hard disk with the enclosed 2 screws and then connect the connector.
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Figure 1-5-2
Hook
Figure 1-5-3
Figure 1-5-4