Oki C5100 Maintenance Manual page 92

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(A)
• NO
• YES Is the color registration sensor cover dirty?
• NO
• NO
• NO
• NO
• NO
• NO
• YES Is the color registration sensor cover dirty?
• NO
• NO
• NO
(B)
42049001TH Rev.1
Is "NG CALIBRATION LEFT/RIGHT" displayed?
YES: A malfunction of the sensor cover front surface cleaning operation of the cleaning
blade placed on the back of the shutter occurred. Replace the shutter and the sensor
cover to restore cleanability.
Make sure of color registration sensor board (Z71 PWB) connector, and engine board (RSN
PWB) RSNS and PUIF connector connections. Has the problem been corrected?
YES End.
Replace the driver board. Has the problem been resolved?
YES End.
Replace the engine board. Has the problem been resolved?
YES End.
Replace the color registration sensor board and driver board connection cable. Has the
problem been corrected?
YES End.
Replace the driver board and PU connection cable. Has the problem been resolved?
YES End.
Is "DYNAMICRANGE LEFT/RIGHT" displayed?
YES A malfunction of the sensor cover front surface cleaning operation of the cleaning
blade placed on the back of the shutter occurred. Replace the shutter and the sensor
cover to restore cleanability.
Are there any problems in shutter opening and closing operation?
YES Replace the shutter.
Replace the belt unit. Has the problem been corrected?
YES End.
Replace the image drum units. Has the problem been resolved?
YES End.
Oki Data CONFIDENTIAL
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