Ricoh D037 Service Manual page 437

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
The Vt value of the black, magenta, cyan, or yellow TD sensor
exceeds the specified value (default: 4.7V) with SP3020-002 for
twenty counts.
The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD
sensor exceeds the specified value (default: 5.0V) with
SP3020-001.
Black, magenta, cyan, or yellow TD sensor disconnected
- -
Harness between TD sensor and development unit defective
Defective TD sensor.
1. Check the black, magenta, cyan, or yellow TD sensor connector
and harness between the TD sensor and development unit for
damage.
2. Check the drawer connector of the PCDU.
3. Replace the development unit.
4. Replace the PCDU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
364 D TD sensor (Vt low) error 2: K
365 D TD sensor (Vt low) error 2: M
366 D TD sensor (Vt low) error 2: C
367 D 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 development unit for
damage.
SM Appendix 4-15
SC Tables
D037/D038/D040/D041