Oki C9850

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)