Ricoh B230 Service Manual page 261

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
FGATE ON error: Bk
The PFGATE ON signal does not assert within 5 seconds after
processing the image in normal job or MUSIC for start position [K].
Defective ASIC (Lupus)
230 D
Poor connection between controller and BICU.
Defective BICU
1. Check the connection between the controller board and the BICU.
2. Replace the BICU.
3. Replace the controller board.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
FGATE OFF error: Bk
The PFGATE ON signal still asserts within 5 seconds after
231 D
processing the image in normal job or MUSIC for end position [K].
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)
FGATE ON error: Y
The PFGATE ON signal does not assert within 5 seconds after
232 D
processing the image in normal job or MUSIC for start position [Y].
See SC 230 for troubleshooting details.
SM 4-21 B230/B237