A.4 Commands

iii) The memory installed is enough for reading.

For this scanner, the origin of the window is at the location shown below. The Y0-dot offset affects the vertical scanning direction, and the X0-dot offset affects the horizontal scanning direction. Take these offsets into account when specifying the X and Y coordinates of the top left corner of the window.

Origin (ULX, ULY) = (0, 0)

Y0

X0

Original document to be read

The offset values must be within the ranges listed below. The minimum X0 and Y0 values are within the range for ADF reading because of skewing.

Resolution (dpi)

X0 (dots)

Y0 (dots)

 

 

 

 

 

400

12

±12

16

±16

 

 

 

 

 

300

9

±9

12

±12

 

 

 

 

 

240

8

±8

10

±10

 

 

 

 

 

200

6

±6

8

±8

 

 

 

 

 

To set a value to zero, set ULX to 72 and ULY to 96. If this is done, however, part of the original document will be missing.

(f)Brightness: Byte 16

Specifies the brightness for halftone (Byte 19=X’00’) output.

Value (Hex)

Brightness

00

Default: same as value X’80’.

 

 

01

Brightest

80Normal

FFDarkest

Appendix A-55