Classification | Error content |
Paper transport jam (ADU section) | Jam not reaching the ADU exit sensor |
Proce dure | Check item | Result | Measure | Next Step |
1 | Open the ADU. Is there any paper in front of the ADU exit sensor? | Yes | Remove the paper. |
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No |
| 2 | ||
2 | Is the ADU exit sensor working? (Perform the input check in the test mode: FS-03- [ALL]OFF/[9]/[H]) | Yes |
| 3 |
No | • Check if the connector of the ADU exit sensor is disconnected. • Check if the connector CN321 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the LGC board or ADU board are short circuited or open circuited. • Replace the ADU exit sensor. • Replace the ADU board. • Replace the LGC board. |
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3 | Is the ADU motor working? (Perform the output check in the test mode: FS-03-110/160) | Yes |
| 4 |
No | • Check if the connector of the ADU motor is disconnected. • Check if the connector CN420 and CN422 on the ADU board is disconnected. • Check if the connector CN321 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the LGC board and ADU board are short circuited or open circuited. • Replace the ADU motor. • Replace the ADU board. • Replace the LGC board. |
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4 | ADU |
| • Check the rollers in the ADU. Replace them if they are worn out. |
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Parts to be replaced | Remark |
ADU exit sensor |
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ADU motor |
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LGC board |
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ADU exit sensor |
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ADU board |
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Rollers in the ADU |
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