very good manual, with detail and clarity in esquematic diagrams and waveforms .
Text excerpt from page 149 (click to view)
Left Lower Cover
Caution Be careful not to damage the plastic guides on the inside of the lower left cover. They are part of the Duplex Unit paper path.
1 Remove the Diverter Assembly access door (see Figure 6-13). 2 Remove (2) screws, CH102 (Figure 6-7, callout 1) 3 Press down firmly on the top cover outer ends to release the retaining tabs
on the inside of the cover (Figure 6-7, callout 2), and the retaining tabs at the lower edge of the cover (Figure 6-7, callout 3). 4 Pull the cover away from the chassis, left side first. To Reinstall:
1 Tuck the right side of the cover behind the plastic edge piece first. 2 Slide the cover toward the chassis and insert the two retaining tabs into
position. Lift up to snap the cover into place. Figure 6-7
