Ricoh D117 Service Manual page 445

Troubleshooting Guide
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, -013

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

D117/D118
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 (SP3-030-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.
6-84 SM