Oki OKIPAGE 14EX Service Manual page 331

( JAM error )
Paper Inlet Jam
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Does paper jam at the inlet when the power is turned on?
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YES - Is the paper located above the sensor plate (inlet)?
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YES - Remove the paper.
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NO - Is the sensor plate (inlet) operating normally?
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NO - Replace the sensor plate (inlet).
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YES - Replace the power supply/sensor board or inlet sensor.
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NO - When the paper is fed in, does the paper inlet jam occur?
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YES - Is the paper being fed to above sensor plate (inlet)?
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YES - Is the sensor plate (inlet) operating normally?
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NO - Replace the sensor plate. (inlet)
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YES - Clean the inlet sensor on the power supply/sensor board or replace the power supply/sensor board or inlet sensor.
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NO - Replace the hopping roller shaft assy or paper cassette.
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NO - Are the hopping roller and feed roller rotating?
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YES - Set the paper properly.
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NO - Is the pulse motor turning?
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YES - Replace the hopping roller shaft assy or one-way clutch gear on the feed roller assy.
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NO - Is the connector being connected properly?
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NO - Connect the connector properly.
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YES - Check the coil resistance (approx. 4.3W) of the pulse motor. Is it normal?