Ricoh MP C6502SP Field Service Manual page 1246

5. Troubleshooting
SC No.
SC725-74
SC No.
SC740-01
1244
Level Error Name/Error Condition/Major Cause/Solution
Entrance JG Motor Error (D615)
• When moving to the home position, home position was not detected
within specified number of pulses (p0 pulses). (The first time: jam
display, the second time: SC)
• When moving from the home position, home position was still
detected after specified number of pulses (p1 pulses). (The first time:
jam display, the second time: SC)
• Motor driver detected an error. (SC from the first time)
D
• Overcurrent to the motor.
• Motor drive overheat
• Connector disconnected
• Replace the controller board.
• Replace the motor.
• Replace the harness.
• Re-connect the connector.
• Replace the sensor.
Level Error Name/Error Condition/Major Cause/Solution
Downstream device communication error (D712)
• 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.
D
• Interface cable (between inserter and downstream device)
connector disconnected or broken
• PCB (of inserter or downstream device) defective
• Reconnect or replace the interface cable (between inserter and
downstream device) connector disconnected or broken
• Replace the PCB.