Ricoh D124-17 Service Manual page 834

2. Appendix 2: Service Program Mode
9 Black Level: CIS 4
10 Black Level: CIS 5
Displays AGC adjustment or error flags after black level adjustment of each of the five
CIS units after the CIS unit self-adjusts when the machine is powered on.
0: Normal
1: Abnormal
Bit
7
6
5
4
3
2
1
0
4750 CIS Output Mode Setting DFU
This SP sets the CIS output mode.
[0 to 6 /0/ 1]
0: Normal output
1: Black shading data output
2: White shading data output
3: Black raw data output
4: White raw data output
5: Raw data output
6: Test pattern output
4751 Scanner Test Pattern Setting DFU
130
0
0
0
0
0
0
0
Black level adjustment did not reach target values within 10 attempts.
(7) 0000 0000 (0)