Ricoh D025 Service Manual page 564

Troubleshooting Guide
After Executing SP2-111-003
Result: "1" in SP2-194-007
Result: "0" in SP2-194-010, -011, -012.
Test pattern check
After Executing SP2-111-001
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
Normal image, but with color
registration errors
After Executing SP2-111-001
Result: "1" in SP2-194-007
Result: "5" (Out of adjustable range) in SP2-194-010, -011, -012
D023/D025
Possible cause/Countermeasure
Do SP2-111-001 or -002.
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.
2. Replace the high voltage power supply unit.
3. Do the forced process control (SP3-011-001) or
supply some toner (SP3-015-xxx).
4. Replace the BICU.
Defective ID sensor shutter
Defective ID sensor
Defective BICU
1. Replace the ID sensor shutter solenoid.
2. Replace the ID sensor.
3. Replace the BICU.
5-6 SM Appendix