Figure 1-95 Remove two screws
2. Pull the SCB cover straight o the printer to remove it
Figure 1-96 Remove the SCB cover
Step 2: Unpack the replacement assembly
1. Dispose of the defective part.
NOTE: HP recommends responsible disposal of the defective part.
http://www8.hp.com/us/en/hp-information/environment/product-recycling.html
ENWW Removal and replacement procedures 85