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| Does a jam error occur when turning on the power? |
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Yes Is there any paper in the entrance sensor? |
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Yes Remove the paper |
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No Does the entrance sensor lever work normally? (It moves freely by touching.) |
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No Replace the entrance sensor lever. |
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Yes Clean the entrance sensor, or replace the main board. |
| No A jam error occurs after feeding paper. |
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Yes Is the paper sent to the entrance sensor lever? |
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Yes Does the entrance sensor lever work normally? (It moves freely by touching.) |
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No Replace the entrance sensor lever. |
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Yes Is the IN_WR connector of the main board connected properly? |
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No Connect the IN_WR connector properly. |
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Yes Clean the entrance sensor, or replace the main board. |
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No Replace the paper feed roller, pick-up roller or paper cassette. |
| No Does the paper feed roller rotate? |
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Yes Set the paper cassette appropriately. |
| No Does the paper feed clutch work normally? |
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Yes Replace the paper feed roller and shaft. |
| No Is HCLT connector of the main board appropriately connected? |
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No Connect HCLT connector appropriately. |
| Yes Is the coil resistance of the paper feed clutch (Normal resistance: Pin1, Pin2, and approx. 192Ω) normally? |
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No Replace the paper feed clutch. |
| Yes Replace the main board. |