Ricoh MP C6502SP Field Service Manual page 1233

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Error Name/Error Condition/Major Cause/Solution

Downstream device communication error (D615)

• Communication with the downstream device has established, but the

device is not responding to the command sent out, even after being

sent three times.

• The port level of the downstream device does not become H level

(break cancel) within specified time.

• Interface cable (downstream device side) connector disconnected

• PCB of downstream device defective

• Controller PCB defective

• Replace the interface cable.

• Replace the PCB of downstream device.

• Replace the controller board.

Error Name/Error Condition/Major Cause/Solution

Reg. Roller Transport Motor Error (D615)

• Motor driver detected an error. (SC from the first time)

• Overcurrent to the motor.

• Motor drive overheat

• Replace the controller board.

• Replace the motor.

• Replace the harness.

Service Call 700-780

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