Ricoh B230 Service Manual page 270

No. Type
360 D
361 D
362 D
363 D
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
TD sensor (Vt high) error 1: K
TD sensor (Vt high) error 1: M
TD sensor (Vt high) error 1: C
TD sensor (Vt high) error 1: Y
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 PCU defective
Defective TD sensor.
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.
4-30 SM