Ricoh D093 - Page 296

Special Adjustments
D093/D094 5-114 SM
 If the CIS 1 area is higher than the CIS 2 area, set a larger value.
 If the CIS 1 area is lower than the CIS 2 area, set a smaller value.
 In the example shown [B], you must decrease the value for CIS 1.