Ricoh B286 Service Manual page 351

4700 Display CIS ASIC ID
This SP displays an 8-bit string that identifies the FPGA version of the SIB board.
4705 CIS Adjustment
1 Flag Display
2 Start
4713 CIS White Level Adjustment DFU
These SP's display the standard white board values after adjustment with
SP4705-2.
1 CIS1
2 CIS2
3 CIS3
4 CIS4
5 CIS5
SM
Displays a "0" (not adjusted) or a "1" to indicate whether the
white level adjustment with SP4705-2 has been successful.
Input "1" to adjust the standard white level.
Note: Do this SP to correct the problem of uneven density in
copies, especially in filled areas.
[0 to 511/0/1]
5-81
SP4-xxx Scanner
B286/B289