Epson EPL-5700 Reference Manual page 38

7. Insert the SIMM module into the RAM slot at an angle,
making sure the pin numbers either 1 or 72 of the slot and the
SIMM match.
8. Press the module down until it clicks into place at right angles
to the slot. Do not apply too much force.
9. Replace the shield cover and tighten its screws.
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Using Options
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1