ICScannerFunctionalUnitMBS.acceptsThresholdForBlackAndWhiteScanning as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates if this functional unit accepts threshold value to be used when performing a scan in black & white.

(Read only property)

ICScannerFunctionalUnitMBS.bitDepth as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

The bit depth to use when performing the final scan.

This will always be one of the supported bit depths.
(Read and Write property)

ICScannerFunctionalUnitMBS.canPerformOverviewScan as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates if this functional unit can perfrom an overview scan.

Not all functional units can perform an overview scan. For example, a document feeder or a sheet feeder unit cannot perform an overview scan.
(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.defaultThresholdForBlackAndWhiteScanning as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Default threshold value used when performing a scan in black & white.

This value is from 0 to 255.
(Read only property)

ICScannerFunctionalUnitMBS.documentSize as NSSizeMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Document size of the current document type expressed in current measurement unit.

(Read only property)

ICScannerFunctionalUnitMBS.documentType as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Current document type.

This will always be one of the supported document types.
(Read and Write property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.measurementUnit as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Current measurement unit. This will always be one of the supported measurement units.

(Read and Write property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.nativeXResolution as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Optical resolution along the X axis.

(Read only property)

ICScannerFunctionalUnitMBS.nativeYResolution as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Optical resolution along the Y axis.

(Read only property)

ICScannerFunctionalUnitMBS.overviewImage as Variant

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Overview scan image.

This property will be nil for functional units that do not support overview scans.
Value is a CGImageMBS.
(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.overviewResolution as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Overview image resolution.

Value assigned to this will be contrained by resolutions allowed by the device.
(Read and Write property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.overviewScanInProgress as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates if an overview scan is in progress.

(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.physicalSize as NSSizeMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Physical size of the scan area in current measurement unit.

(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.pixelDataType as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

The pixel data type.

See ICScannerPixelDataType* constants.
(Read and Write property)

ICScannerFunctionalUnitMBS.preferredResolutions as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Current scan resolution.

This will always be one of the supported resolution values.
(Read only property)

ICScannerFunctionalUnitMBS.preferredScaleFactors as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Preferred scale factors in percentage.

(Read only property)

ICScannerFunctionalUnitMBS.resolution as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Current scan resolution.

This will always be one of the supported resolution values.
(Read and Write property)

ICScannerFunctionalUnitMBS.scaleFactor as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Current scale factor.

This will always be one of the supported scale factor values.
(Read only property)

ICScannerFunctionalUnitMBS.scanArea as NSRectMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

This property along with scanAreaOrientation describes the area to be scanned.

(Read and Write property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.scanAreaOrientation as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Desired orientation of the scan area.

This property along with scanArea describes the area to be scanned.
This property is set to ICEXIFOrientation1 initially. This property is not used by the ICScannerFunctionalUnitDocumentFeeder subclass.

Possible values:

ICEXIFOrientation1	1	Normal
ICEXIFOrientation2	2	Flipped horizontally
ICEXIFOrientation3	3	Rotated 180°
ICEXIFOrientation4	4	Flipped vertically
ICEXIFOrientation5	5	Rotated 90° CCW and flipped vertically
ICEXIFOrientation6	6	Rotated 90° CCW
ICEXIFOrientation7	7	Rotated 90° CW and flipped vertically
ICEXIFOrientation8	8	Rotated 90° CW

(Read and Write property)

ICScannerFunctionalUnitMBS.scanInProgress as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates if a scan is in progress.

(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.scanProgressPercentDone as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates percentage of scan completed.

(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.state as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates the current state of the functional unit.

See ICScannerFunctionalUnitState* constants.
(Read only property)

ICScannerFunctionalUnitMBS.supportedBitDepths as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Supported bit depths.

The values in this set are valid values defined by ICScannerBitDepth.
(Read only property)

ICScannerFunctionalUnitMBS.supportedDocumentTypes as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Supported document types.

The values in this set are valid values defined by ICScannerDocumentType.
(Read only property)

ICScannerFunctionalUnitMBS.supportedMeasurementUnits as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Supported measurement units. The values in this set are valid values defined by ICScannerMeasurementUnit.

(Read only property)

ICScannerFunctionalUnitMBS.supportedResolutions as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Supported scan resolutions in DPI.

(Read only property)

Some examples using this property:

• /MacFrameworks/Image Capture/Scanner Browser

ICScannerFunctionalUnitMBS.supportedScaleFactors as NSIndexSetMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Supported scale factors in percentage.

(Read only property)

ICScannerFunctionalUnitMBS.thresholdForBlackAndWhiteScanning as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Threshold value to be used when performing a scan in black & white.

This value should be from 0 to 255.
(Read and Write property)

ICScannerFunctionalUnitMBS.type as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Functional unit type.

See ICScannerFunctionalUnitType* constants.
(Read only property)

ICScannerFunctionalUnitMBS.usesThresholdForBlackAndWhiteScanning as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Image Capture	MBS AVFoundation Plugin	14.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Indicates if this functional unit uses threshold value to be used when performing a scan in black & white.

(Read only property)