Lph Density Adjustment With Sp Codes - Ricoh BE-C1 D046 Field Service Manual

4. Replacement and Adjustment
Adjusting LPH Alignment
Broken lines [A] or [B] in the IPU Test Pattern (SP4417, Pattern 28) indicate incorrect sub scan timing at
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one or both joints.
1. Go into the SP mode, and do SP2952-11 for LPH 1-2
• Adjust the position of LPH 2 (LPH 1 does not move).
• If LPH 2 is higher than LPH 1, set a larger value.
• If LPH 2 is lower than LPH 1, set a smaller value.
2. Print one more pattern with SP2952-11 and check the alignment at the joints.
3. Do this procedure again until the pattern at the joint is correct.
4. Do SP2952-12 for LPH 2-3
• Adjust the position of LPH 3 to LPH 2 (LPH 2 is the standard).
• If LPH 3 is higher than LPH 2, set a larger value.
• If LPH 3 is lower than LPH 2, set a smaller value.
5. Do this procedure again until the pattern at the joint is correct.

LPH Density Adjustment with SP Codes

To Print the IPU Test Pattern 19
1. Open the roll feeder drawer. Cut off a sheet manually from a roll.
2. Close the roll feeder drawer.
3. Go into the SP mode.
4. Do SP4417, select Pattern "19", then touch "OK".
5. Touch "COPY Window" to show the main screen.
6. On the operation panel, select one of the rolls for paper feed.
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