The figure below shows the multi-feeding prevention mechanism employed in this product.MediaSeparation rollerPickup rollerLifting plateThe separation roller does not rotate.■ Jam detection● OverviewThis product has the paper sensors as listed below to detect paper level and paper feed status.• Registration sensor• MP tray pre-registration sensor• Fixing delivery sensor• Fixing arch sensor• Pre-registration sensor• Cassette paper sensor• Delivery full sensorThe following jams are detected in this product.1. Pickup delay jam 12. Pickup delay jam 23. Pickup stationary jam4. Fixing / delivery delay jam5. Delivery stationary jam6. Fixing seizure jam7. Internal paper remaining jam8. Duplex re-pickup jam9. Open door jam● Delay jamsPickup delay jam 1This occurs when the leading edge of the paper is not detected by the registration sensor* from the start of image formation tore-pickup.*: SR4Pickup delay jam 2This occurs when the leading edge of the paper is not detected by the MP tray pre-registration sensor (SR7) within the pre-definedduration after the paper is fed from the multi-purpose tray.Fixing / delivery delay jamThis occurs when the leading edge of the paper is not detected by the fixing delivery sensor*1 within the pre-defined duration afterre-pickup; or when the leading edge of the paper is not detected by the delivery full sensor*2 during the pre-defined duration afterthe trailing edge of the paper is detected by the registration sensor.*1: SR8*2: SR152. Technical Explanation46
