Ricoh G133 Service Manual page 233

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
The PFGATE ON signal still asserts within 5 seconds after
processing the image in normal job or MUSIC for end position [C].
The PFGATE ON signal still asserts when the next job starts.
See SC 230 for troubleshooting details.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
240 C LD error: Bk
241 C LD error: Y
242 C LD error: M
243 C LD error: C
The EGB detects LDB error a few times consecutively when LDB unit
turns on after LDB initialization.
Worn-out LD
- -
Disconnected or broken harness of the LD
1. Replace the harness of the LD.
2. Replace the laser optics housing unit.
3. Replace the EGB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
285 D Line position adjustment (MUSIC) error
Line position adjustment fails four consecutive times.
Pattern sampling error ( insufficient image density )
Defective ID sensors for the line position adjustment
Defective image transfer belt unit
Defective PCU(s)
Defective laser optics housing unit
SM 4-17
SC Table
G133