Oki C5100 - Printer Menu Details; Printer Information Menu Items; Printer Print Menu Options

Oki Data CONFIDENTIAL
42049001TH Rev.1 73 /
1 The printer does not operate properly after it is turned on.
• Turn the printer off and on again.
• Does appear (for about one second)?
• NO Is the AC cable connected properly?
NO Connect the AC cable properly.
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• YES Is +5V being output to the operator panel connector (OPE connector) on the engine board
(RSN PWB)?
Pin 4: +5V. Pin 7: 0V.
YES Is +5V being output to the connector CN1 on the OPE board (RSP PWB)?
Pin 4: +5V. Pin 7: 0V.
• NO Is the operator panel cable connected properly?
NO Connect the cable properly.
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• YES Replace the operator panel cable. Has the printer recovered from the error?
NO Replace the OPE board.
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• YES End.
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• NO Is +5V being output to the POWER connector on the engine board (RSN PWB)?
Pins 7 to 9: +5V. Pins 1 to 3, and 13 to 17: 0V.
NO Replace the low voltage power unit after checking the connection of the POWER
connector.
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• YES Replace the engine board.
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• YES Are the following voltages being output to the CU board PUIF connector?
Pins 7 and 8: +5V. Pins 4 and 5: +3.3V. Pins 1, 2, 3 and 6: 0V.
YES Replace the CU Board.
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• NO Are the following voltages being output to the POWER connector on the engine board?
Pins 7 to 9: +5V. Pins 10 to 12: +3.3V. Pins 4 to 6: +24V. Pins 1 to 3, and 13 to 17: 0V.
YES Replace the engine board.
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• NO Replace the low voltage power unit.
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