Ricoh MP C6502SP Field Service Manual page 1141

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Error Name/Error Condition/Major Cause/Solution

Refresh roller drive motor: Lock

The IOB detects the fusing motor lock error (rotation speed out of

specification).

Vodka assignment: GPIO28DATA[7]

When the motor is on, each lock signal is checked every 100

milliseconds. If the High status is detected 20 times consecutively, the

machine determines that the motor is not running correctly. The machine

issues an SC and stops the motor.

• Motor defective

• Connecter disconnected

• Harness broken

• IOB defective

• Unit torque increased.

• Replace the motor.

• Reconnect the connector.

• Replace the harness.

• Replace the IOB.

• Replace the unit.

• Replace the driven unit.

Service Call 501-595

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