Ricoh D025 Service Manual page 522

SC Tables
No. Type
Stack pressure solenoid error
The stack pressure solenoid in the finisher is not operating.
798
B
-9
1.
2.
1.
D023/D025
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Solenoid harness loose, broken
Solenoid obstructed
Stack height sensor dirty, harness loose, broke
Solenoid defective
Stack height sensor defective
Check or replace the solenoid harness.
Check for blockages in the stack pressure mechanism.
Replace the stack height sensor.
3-70 SM Appendix