Very good information with clear drawings. Thanks!
Text excerpt from page 267 (click to view)
Paper Bins and Blind Cover
Figure 6-75
Mailbox with Stapler, Bin Removal The procedure for removing the paper bins and the blind cover is the same. Each bin rests in its labeled slot. 1 2 Remove the paper bins and the blind cover from the top down. Lift up on the outer edge of the bin (or blind cover) to clear the retaining notch, and pull it forward out of the frame (figure 6-75).
To Reinstall:
Replace the paper bins from the bottom up. Place the blind cover between Bin 1 and the Left Output Bin. Slide the bin into its designated slot and lower it into its retaining notch.