Ricoh MP C6502SP Field Service Manual page 1065

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Error Name/Error Condition/Major Cause/Solution

TD sensor output error: Upper Limit (M)

TD sensor output error: Upper Limit (Y)

The TD sensor output (Vt) (SP3-210-001 to 004) exceeded 4.7 V 20

times consecutively.

• Toner density extremely low

• Check the toner supply system.

Error Name/Error Condition/Major Cause/Solution

TD sensor output error: Lower limit (K)

TD sensor output error: Lower limit (C)

TD sensor output error: Lower limit (M)

TD sensor output error: Lower limit (Y)

The TD sensor output (Vt) (SP3-210-001 to 004) fell below 0.5 V 10

times consecutively.

• TD sensor not connected correctly

• TD sensor defective

• Check the TD sensor connection.

• Check the home position sensor for abnormality.

• Replace the TD sensor if it is abnormal.

Error Name/Error Condition/Major Cause/Solution

ID sensor calibration error (F)

ID sensor calibration error (C)

ID sensor calibration error (R)

Service Call 300-398

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