3. Release the boss at the left-upper corner of the rear cover, and then release the remaining bosses along
the top of the cover (from left to right).
Figure 1-628 Release the top edge of the cover
4. Release the bosses along the right and left side of the cover, and then lift it straight up to remove it.
Figure 1-629 Remove the rear cover
Step 5: Remove the scanner control board (SCB) (M586)
1. Remove two screws (callout 1). Remove one screw (callout 2) and release one grounding wire.
Disconnect all of the connectors (callout 3) from the SCB.
388 Chapter 1 Removal and replacement ENWW