Ricoh D0C8, Service Manual

Page: 715 / 1647

Troubleshooting for Image Quality Problems
SM 6-141 D0CA/D0C9/D0C8/D0CB
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4.
Select the [Color Quality] tab, and then set the value in [Text/Photo Sensitivity] closest to
[Photo].
6.12.6 LINE POSITION ADJUSTMENT
When there are color registration errors on the output, do the line position adjustment as
follows.
Test
1.
Do SP2-111-003 (Mode c: rough adjustment).
2.
Use SP2-194-007 to check if the result of the line position adjustment is correct (0:
Completed successfully, 1: Not completed). If the result is "1", refer to ‘Countermeasure list
for color registration errors’.
3.
Do SP2-111-001 (Mode a: fine adjustment twice).
4.
Use SP2-194-007 to check if the result of the line position adjustment is correct (0:
Completed successfully, 1: Not completed). If the result is "1", refer to ‘Countermeasure list
for color registration errors’.
5.
Put some A4/LT paper on the bypass tray.
• When you print a test pattern, use the bypass tray to feed the paper.
6.
Print out test pattern "7" with SP2-109-003.
7.
Check the printed output with a loupe.
8.
If there are no color registration errors on the output, the line position adjustment is
correctly done. If not, refer to the countermeasure list for color registration errors.