Ricoh D124-17 Service Manual page 559

• In the example [A], you must set a smaller value.
To adjust the sub scan offset for Example [B]
Problem: Output from CIS 1 is lower than the output from CIS 2.
1. Do SP4972-6 and adjust the setting.
• Adjust the position of CIS 1. The position of CIS 2 does not move.
• 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.
After adjusting
1. Print one more pattern and check CIS 1-2.
2. Repeat these procedures until the image at CIS 1-2 is correct.
3. Do these procedures for the other joints (CIS 2-3, CIS 3-4, CIS 4-5)
• The "Effect" column in the table below tells you which area moves with the adjustment, and
which area does not move.
SP4972
Problem
1 Main Scan Interval 1-2
3 Main Scan Interval 2-3
4 Main Scan Interval 3-4
5 Main Scan Interval 4-5
6 Sub Scan Interval 1-2
8 Sub Scan Interval 2-3
9 Sub Scan Interval 3-4
10 Sub Scan Interval 4-5
• After completing the CIS adjustments, be sure to reset SP4973 to "2.
CIS Main/Sub Scan Offset Adjustment [0 to 2047/638/1]
Joint
CIS 1-2
CIS 2-3
CIS 3-4
CIS 4-5
CIS 1-2
CIS 2-3
CIS 3-4
CIS 4-5
Effect
CIS 1 moves. CIS 2 does not move.
CIS 3 moves. CIS 2 does not move.
CIS 4 moves. CIS 3 does not move.
CIS 5 moves. CIS 4 does not move.
CIS 1 moves. CIS 2 does not move.
CIS 3 moves. CIS 2 does not move.
CIS 4 moves. CIS 3 does not move.
CIS 5 moves. CIS 4 does not move.
Special Adjustments
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