Line Position Adjustment - Ricoh MPC 2800 AT-C2 Mode D'emploi

Line Position Adjustment

When there are color registration errors on the output, do the line position adjustment as follows.
• Use A3/DLT size paper for this adjustment.
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 A3/DLT paper on the by-pass tray.
• When you print a test pattern, use the by-pass 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.
Countermeasure list for color registration errors
After Executing SP2-111-003
• Result: "1" in SP2-194-007
• Result: "2" or "3" (Line pattern detection failure) in SP2-194-010, -011, -012
Test pattern check
White image, Abnormal image, Low
density
Possible cause/Countermeasure
• Defective laser optics housing unit shutter
• Defective image processing unit
• Low density of test pattern
• Defective BICU
1. Replace the shutter motor.
Troubleshooting Guide
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