SP4xxx: Scanner 
D017/D018/D019/D020 5-54  SM 
SBU Error 
4647 
Displays the result of the SBU connection check. 
 
Black Level 1: Rough Adj. Display 
4654 
RE: Red Even signal, RO: Red Odd signal 
1  Previous: RE Color 
Displays the previous black offset value (rough 
adjustment) for the even red signal in the CCD 
circuit board (color printing speed). 
[0 to 255 / 112 / 1 digit/step] 
2  Previous: RO Color 
Displays the previous black offset value (rough 
adjustment) for the odd red signal in the CCD 
circuit board (color printing speed). 
3  Previous: RE Color 
Displays the previous black offset value (fine 
adjustment) for the even red signal in the CCD 
circuit board (color printing speed). 
[0 to 255 / 128 / 1 digit/step] 
4  Previous: RO Color 
Displays the previous black offset value (fine 
adjustment) for the odd red signal in the CCD 
circuit board (color printing speed). 
5  Previous: RE BW 
Displays the previous black offset value (rough 
adjustment) for the even red signal in the CCD 
circuit board (black and white printing speed). 
[0 to 255 / 112 / 1 digit/step] 
6  Previous: RO BW 
Displays the previous black offset value (rough 
adjustment) for the odd red signal in the CCD 
circuit board (black and white printing speed). 
7  Previous: RE BW 
Displays the previous black offset value (fine 
adjustment) for the even red signal in the CCD 
circuit board (black and white printing speed). 
[0 to 255 / 128 / 1 digit/step]