Epson AcuLaser C4000 Owner's Manual page 257

Warning:
w
Removing other screws and covers will expose high voltage
areas.
4. Pull out the circuit board tray.
5. Identify the ROM slot A. Its position is shown below.
ROM slot A
6. Push down on the tab on the right side of the ROM slot to raise
the module out of the slot A.
Using Options
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