Eiki EK-610UA Owner's Manual page 73

DLP Projector — Owner's Manual
2.
Turn the projector off. Allow the projector to cool down into standby mode.
3.
Rotate the lens ring counter-clockwise and then remove
it from the projector.
4.
Pull the rejection pin and then rotate the lens counter-
clockwise to release from the compartment.
5.
Carefully remove the lens assembly.
6.
Install the new lens. See "Installing the Projection Lens" on page 11.
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