A.4 Commands

∙White level follower: byte 32

Value (Hex)

 

 

Meaning

 

 

 

 

 

00

Default. White level follower depends on the IMAGE

 

COMPOSITION.

 

 

 

 

 

 

 

 

 

IMAGE

White level follower

 

 

 

COMPOSITION

 

 

 

 

 

 

 

 

 

Line art (X’00’)

Enables white level follower

 

 

 

 

 

 

 

 

Halftone (X’01’)

Disable

 

 

 

 

 

 

 

 

Gray scale

Disable

 

 

 

 

 

 

 

 

 

 

 

01 to 7F

(Reserved)

 

 

 

 

 

 

 

80

Enables white level follower.

 

 

 

 

 

81 to BF

(Reserved)

 

 

 

 

 

 

 

C0

Disables white level follower.

 

 

 

 

 

C1 to FF

(Reserved)

 

 

 

 

 

 

 

If reserved value is specified, this scanner returns the following error information as follows:

- Status:

B’00001’ (CHECK CONDITION)

- Sense key: X’5’ (ILLEGAL REQUEST)

∙Subwindow list: bytes 33 and 34

Specifies the subwindow identifier for a subwindow included in the window according to the specification in bytes 33 and 34. (For example; X’00001’ for subwindow 0, X’00002’ for subwindow 1, X’00006’ for subwindows 1 and 2.)

The maximum number of subwindows which can be included in one window is shown in the table below.

Maximum number of subwindow

Value of byte 34

 

 

4

0 to 3

 

 

If other subwindows are specified, this scanner returns the following error information:

- Status:

B’00001’ (CHECK CONDITION)

- Sense key: X’5’ (ILLEGAL REQUEST)

Appendix A-65