SC No. Type Error Name/Error Condition/Major Cause/Solution
SC502-02 B 2nd Tray Descent Error (Main Frame)
The detection count of 2nd tray descent motor descent errors reaches a
total of 5.
(Up to 4, reset is displayed.)
• 2nd tray upper limit sensor connector missing, malfunction, and dirt
• 2nd tray lift motor connector missing, disconnection, malfunction
• Foreign object, such as paper scrap, is caught between the paper
feed tray and the tray lift motor
• Paper set incorrectly
• Paper overload
• Reset the paper.
• Remove the foreign object.
2nd tray upper limit sensor, 2nd tray lift motor
• Check the harness.
• Reset the connector.
• Replace
2nd paper feed unit, 2nd tray
• Replace
Paper transport IOB
• Replace
6. Troubleshooting
810
To Next Page