Ricoh B230 Service Manual page 256

No. Type
1.
2.
3.
GASBU reset error
The serial communication does not work.
-003 D
1.
2.
3.
No. Type
IPU error
The error result of self-diagnostic by the Taurus (ASIC on the IPU) is
detected.
161 D
1.
2.
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective SIO
Defective harness
Defective detection port on the BICU
Replace the harness.
Replace the SIO.
Replace the BICU.
Defective SBU
Defective detection circuit on the BICU
Defective harness
Replace the SBU.
Replace the BICU.
Replace the harness.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective BICU
Defective connection between BICU and SBU
Check the connection between BICU and SBU.
Replace the BICU.
4-16 SM