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Ricoh Aficio SP C440DN

Ricoh Aficio SP C440DN
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No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
373 D TD sensor adjustment error: M
374 D TD sensor adjustment error: C
375 D TD sensor adjustment error: Y
- - SC is issued only if one of followings is satisfied.
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.
The TD sensor output is 0.7 V or more when the Vcnt is 4.3 v.
The adjusted Vcnt is 4.7 V or less.
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
Different developer density from initial developer density
1. Remove the heat seal from each PCDU.
2. Replace the PCDU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
380 C Drum gear position sensor error: K
381 C Drum gear position sensor error: M, C, Y
- - The machine does not detect a change signal (H L or L H) for 2.4 seconds at
the drum phase adjustment.
Dirty or defective drum gear position sensor
1. Check the harnesses.
2. Clean or replace the drum gear position sensor.
3. Replace the PCDU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
396 D Drum/Development motor error: K
6. Troubleshooting
574

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