Required WIA Item Properties for Film Scanners
The WIA film scanner item is required to support the following WIA properties:
Note The WIA_IPA_RAW_BITS_PER_CHANNEL property is required if the WiaImgFmt_RAW format is supported. The WIA_IPA_FORMAT property must support the WiaImgFmt_BMP format. The WIA_IPS_THRESHOLD property is required when the WIA_IPA_DEPTH property is set to 1 bit per pixel (BPP) or when the WIA_IPA_DATATYPE property is set to WIA_DATA_THRESHOLD.