Ricoh MP CW2201 Field Service Manual page 689

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Table of Contents

Vertical Paper Feed Hardware Error

Response of hardware error from motor control

Vertical Paper Feed Operation Direction Error

Response of moving direction error from motor control

Sub Scan Motor Driver Error (Overcurrent)

Response to the motor driver error (overcurrent) from motor control

• Motor (defective or broken), sensor (defective, broken, or position

error), encoder sheet (broken, position error, or dirty), or other rotation

• Roll paper feed motor harness loose, broken, defective

• Encoder sensor harness or encoder wheel loose, broken, defective

• Motor defective

• BICU defective

• Vertical wheel sensor connection loose, broken, defective

• Vertical motor connection loose, broken, defective

• Check motor to confirm that the polarity of the harness connector is

• If the motor or an encoder error has been recovered and the motor

connection was not correct, reverse the harness +/- connection.

• Check the sensor to confirm that the polarity of the harness connection is

• If the motor or an encoder error has been recovered and the encoder

connection was not correct, revere the connections of the phase A and

phase B sensor harnesses.

• Check that there is no problem on the driving parts (registration roller

and its parts, gear, roller, belt, and pressure roller).

• Check that there is no problem on sliding.

• If no problem is found above but it is not recovered by setting the main

power switch to OFF and back ON, replace the BICU.

SC500: Paper Feed, Transport

Troubleshooting