Lenovo ThinkCentre 1982 Hardware Maintenance Manual page 143

7. Press the optical drive lock
Figure 72. Removing the old optical drive
8. Install the optical drive retainer on the side of the new optical drive.
Figure 73. Installing the optical drive retainer
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Chapter 9 Replacing FRUs (Machine Types: 1996, 1997, 2002, 2010, 2208, 2209, 2221, 2224, 2226, and 2227.)
1 and slide the optical drive out of the rear of the drive bay assembly.
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