Ricoh MPC 2800 AT-C2 Mode D'emploi page 422

3. Appendix: Service Call Conditions
No. Type
364 D
365 D
366 D
367 D
3
- -
No. Type
372 D
373 D
374 D
375 D
- -
54
Details (Symptom, Possible Cause, Troubleshooting Procedures)
TD sensor (Vt low) error 2: K
TD sensor (Vt low) error 2: M
TD sensor (Vt low) error 2: C
TD sensor (Vt low) error 2: Y
The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified
value with SP3020-004 (default: 0.5V) for 10 counts.
• TD sensor harness disconnected, loose, defective
• A drawer connector disconnected, loose, defective
• TD sensor defective
1. Check the black, magenta, cyan, or yellow TD sensor connector and harness
between the TD sensor and PCU for damage.
2. Check the drawer connector.
3. Replace the defective PCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
TD sensor adjustment error: K
TD sensor adjustment error: M
TD sensor adjustment error: C
TD sensor adjustment error: Y
During TD sensor initialization, the output value of the black, magenta, cyan, or
yellow TD sensor is not within the range of the specified value with SP3238-001 to
-004 (default: 2.5V) ± 0.2V
• Heat seal not removed from a new developer pack
• TD harness sensor disconnected, loose or defective
• TD sensor defective
• Harness between TD sensor and drawer disconnected, defective
1. Remove the heat seal from each PCU.
2. Replace the defective PCU.