Ricoh Mo-C1, Service Manual, Page: 559 / 1052

• 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
CIS Main/Sub Scan Offset Adjustment [0 to 2047/638/1]
Problem Joint Effect
1 Main Scan Interval 1-2 CIS 1-2 CIS 1 moves. CIS 2 does not move.
3 Main Scan Interval 2-3 CIS 2-3 CIS 3 moves. CIS 2 does not move.
4 Main Scan Interval 3-4 CIS 3-4 CIS 4 moves. CIS 3 does not move.
5 Main Scan Interval 4-5 CIS 4-5 CIS 5 moves. CIS 4 does not move.
6 Sub Scan Interval 1-2 CIS 1-2 CIS 1 moves. CIS 2 does not move.
8 Sub Scan Interval 2-3 CIS 2-3 CIS 3 moves. CIS 2 does not move.
9 Sub Scan Interval 3-4 CIS 3-4 CIS 4 moves. CIS 3 does not move.
10 Sub Scan Interval 4-5 CIS 4-5 CIS 5 moves. CIS 4 does not move.
• After completing the CIS adjustments, be sure to reset SP4973 to "2.
Special Adjustments
557