temp := GetDeviceProperty(WIA_DPS_SHEET_FEEDER_REGISTRATION);
//!!!  Shouldn't this be WIA_DPS_DOCUMENT_HANDLING_CAPABILITIES ???
    CheckBox3.Checked := (temp and WIA_FEED) <> 0; // readonly
    CheckBox4.Checked := (temp and WIA_FLAT) <> 0; // readonly
    CheckBox5.Checked := (temp and WIA_DUP) <> 0; // readonly
    CheckBox6.Checked := (temp and WIA_DETECT_FLAT) <> 0; // readonly
    CheckBox7.Checked := (temp and WIA_DETECT_SCAN) <> 0; // readonly
    CheckBox8.Checked := (temp and WIA_DETECT_FEED) <> 0; // readonly
    CheckBox9.Checked := (temp and WIA_DETECT_DUP) <> 0; // readonly
    CheckBox10.Checked := (temp and WIA_DETECT_FEED_AVAIL) <> 0; // readonly
    CheckBox11.Checked := (temp and WIA_DETECT_DUP_AVAIL) <> 0; // readonly
    Edit35.Text := GetDeviceProperty(WIA_DPS_DOCUMENT_HANDLING_CAPACITY); // readonly

  if ImageEnMView1.MIO.WIAParams.ShowAcquireDialog(false) then // show the scanner dialog (Remove if you don't want it)
    ImageEnMView1.MIO.Acquire(ieaWIA);