Kyocera TASKalfa 4012i
Malfunction. The size of paper set in the cassette is misdetected or not displayed
Target: Main unit, paper feeder (500-sheetx2), large capacity paper feeder (1,500-sheet x 2)
| Step | Check description | Assumed cause | Measures |
|---|---|---|---|
| 1 | Checking the paper length switch and fan-shape arm | The paper length switch or fan-shape arm does not operate properly. | Reattach the paper length switch or fan- shape arm. |
| 2 | (Cassette 1, 2) Checking the connection | The connector is not connected properly, or the wire is faulty. | Clean the wire connector terminal and reconnect it. If there is no continuity, replace the wire.
|
| 3 | (Cassette 3, 4) Checking the connection | The connector is not connected properly or, the wire or drawer connector is faulty. | Check the connection, and correct and clean the terminal and reinsert the connector all the way. If there is no continuity in the wire or drawer connector is faulty, replace it.
|
| 4 | (Cassette 1, 2) Replacing the paper length switch | The paper length switch is faulty. | Replace the paper length switch. |
| 5 | (Cassette 1, 2) Replacing the paper width switch | The paper width switch is faulty. | Replace the paper width switch. |
| 6 | (Cassette 3, 4) Replacing the PF paper length switch | The PF paper length switch is faulty. | Replace the PF paper length switch. |
| 7 | (Cassette 3, 4) Replacing the PF paper width switch | The PF paper width switch is faulty. | Replace the PF paper width switch. |
| 8 | Firmware upgrade | The firmware is not latest version. | Upgrade the firmware to the latest version. |
| 9 | (Cassette 3, 4) Replacing the PF PWB | The PF PWB is faulty. | Replace the PF PWB. |
| 10 | Replacing the engine PWB | The engine PWB is faulty. | Replace the engine PWB and then execute U411 [Table(ChartA)]. |