Epson AcuLaser C8600 Reference Manual page 244

3. Grasp both sides of the memory module and pull the module
out.
c
4. Store the memory module in an anti-static packet such as the
one it came packaged in.
5. Complete the procedure as shown below.
242 Using Options
Caution:
You should not remove any other modules from the circuit
board. Otherwise, the printer will not work.