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Auto envelope detection sett.
To display: [Utility][Administrator][System Settings][Auto envelope detection sett.]
When detecting envelopes to automatically detect the paper type of the tray, set this option to ON (default: ON). When an error occurs in envelope detection, set this option to OFF.
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This setting is displayed when the option is installed in this machine. For details on the required option, refer to [Administrator settings displayed by mounting options] .