Epson RC420 Manual page 96

Setup & Operation 10. UPS (Uninterruptible Power Supply)
(10) Select the "Communications Port" in the [Models] box, then click the <Next>
(11) You will receive a warning message "Windows could not detect settings". Ignore
(12) Select "Basic configuration 0008" in the [Setting based on] box in the [Add New
(13) Click the "Input/Output Range" in the [Resource settings] box in the [Add New
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button.
the message and click the <OK> button.
Hardware Wizard Properties] dialog.
Hardware Wizard Properties] dialog.
RC420 Rev.9