Epson Aculaser C4000 Setup Manual page 30

1. Hold the ROM module above the slot and insert it into slot A
in the orientation shown below, until the clip comes up to hold
the ROM module securely in place.
c
2. Replace the circuit board tray as explained in the next section.
26
Installing Options
Caution:
Do not force the ROM module into the slot.
Be sure to insert the ROM facing the correct way.
Do not remove any modules from the circuit board.
Otherwise, the printer will not work.