Ricoh D117 - Countermeasure List for Color Registration Errors

Troubleshooting Guide
D117/D118 6-82 SM
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 Possible cause/Countermeasure
White image, Abnormal image,
Low density
 Defective image processing unit
 Low density of test pattern
 Defective BICU
1. Replace the high voltage power supply unit.
2. Do the forced process control (SP3-011-001) or
supply some toner (SP3-030-xxx).
3. Replace the BICU.
Normal image, but with color
registration errors
 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.
After Executing SP2-111-003
 Result: "1" in SP2-194-007
 One of results: "5" (Out of adjustable range) in SP2-194-010, -011, -012, -013
Test pattern check Possible cause/Countermeasure
The main scan registrations of M,
C, Y, K are shifted by more than
±15.
 Defective laser unit
 Defective BICU
1. Perform the color skew adjustment (
p.4-3).
2. Replace the laser unit.
3. Replace the BICU.