Epson EQUITY 3865X/20 PLUS - Manual (Page 113)

2. Lift up the subassembly from your work surface and lower
the back end into the
computer, fitting the top
tabs in the
computer into the openings in the top dots on the
subassembly, as shown below.
tabs
The subassembly is actually resting on the top tabs.
3. Hold up the subassembly at an angle. Reach under it and
grasp the two main system board power supply cables leading
from the power supply. The cables are labelled P4 and P5.
5-10 Accessing Internal
Components