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Oki Data CONFIDENTIAL

43627911TH Rev. 3

214 /

(A)

• NO [NG CALIBRATION LEFT/RIGHT] display

• YES Is the color drift sensor cover dirty?

YES Cleaning defect of the surface of the sensor cover by the clean-

ing blade on the rear of the shutter. Replace the shutter and

sensor cover then restore the cleaning performance.

• NO Check the S2Z PCB (Color Drift Sensor PCB) connector, S2V PCB (engine

PCB) CSNS, power connector and the connector connected with Sensor-

Right Assy connection. Has operation been restored after checking con-

nection?

YES END

• NO Replace the S2Z PCB. Has operation been restored?

YES END

• NO Replace the engine PCB. Has operation been restored?

YES END

• NO Replace the S2Z PCB, and Engine PCB connection cable. Has operation

been restored?

YES END

• NO [DYNAMICRANGE LEFT/RIGHT] display

• YES Is the color drift sensor cover dirty?

YES Cleaning defect of the surface of the sensor cover by the clean-

ing blade on the rear of the shutter. Replace the shutter and

sensor cover then restore the cleaning performance.

• NO Is the shutter open/close operation abnormal?

• YES Replace the shutter. Has operation been restored?

YES END

• NO Replace the shutter open/close solenoid. Has operation been re-

stored?

YES END

• NO Replace the belt unit. Has operation been restored?

YES END

• NO Replace the ID unit. Has operation been restored?

YES END

(B)

Oki MPS9650c Maintenance Manual

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