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Scanner Interface
(c)
Control register A#2
Control register B#2
X'00' is set when the power is turned on or when a CLEAR command is issued for initialization.
MSB
7
6
5
•
*1
When the built-in pattern is used, the density information shown in the control register A#1/B#1 is valid.
•
4 patterns (000 to 011) are valid when the built-in pattern is selected.
•
When the download pattern is used, the density information shown in Control register A#1/B#1 is
invalid.
•
8 patterns (000 to 111) is valid when the download pattern is selected.
*2
Dithered or Error diffusion are selected by control register A#19/B#19.
*3
This is effective for control register A#2.
*4
Grayscale reading is effective for front-side reading with the resolution of 400dpi or less through third
party slot. Before the duplex reading bit 1 of control register A#2 and B#2 must be set 0.
Appendix A-26
LSB
4
3
2
1
0
0
Jam detection when scanning (*3)
0 :
Executed
1 :
Not executed
0 :
Binary reading
1 :
Grayscale reading (*4)
Specifies halftone
0X:
Set from the operator panel
1 0:
Not dithered
1 1:
Dithered or Error Diffusion (*2)
Dither pattern (*1)
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Built-in/Download
0 :
Built-in
1 :
Download
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