Ricoh D124-17 Service Manual page 835

This SP sets the mode for the CIS test pattern.
[0 to 5 /1/1]
0 Black coverage 0x000 fixed
Main Scan 1-Pitch Gradation
1
(1 Step/1 Pixel 0x000 0x001 0x002, 0x3FE 0x3FF 0x000 0x001)
Main Scan 4-Pitch gradation (4-Step/1 pixel 0x000 > 0x004 0x0080x3F8
2
0x3FC 0x000 0x001
3 Main Scan 0, 1023 Alternate Pattern 1 (0x000 0x03FF 0x000 0x03FF)
4 Main Scan 0, 1023 Alternate Pattern 2 (0x000 0x03FF 0x000 0x03FF)
5 White Coverage 0x3FF Fixed
4762 Gain Adjustment: Previous DFU
Displays the gain value of analog ASIC (LM98714) of each CIS unit after white level is
adjusted when the machine is powered on. The peak value for standard white plate
reading (the shading data peak value) is set to 880±20 digits by white level adjustment.
1 CIS 1
2 CIS 2
3 CIS 3
4 CIS 4
5 CIS 5
4763 LED Adjustment: Previous DFU
Displays LAMPR OFF setting of the CIS1 analog ASIC (LM98714) after RGB white level
adjustment when the machine is powered on. The peak value for standard white plate
reading (the shading data peak value) is set to 880±20 digits by Red white level
adjustment. The adjusted value is used as the default setting for the white level adjustment
done for Red when the machine is powered on.
[23 to 523 /304/ 1]
1 CIS 1 R
2 CIS 2 R
SP4000
131