I have got a MX-C402SC that says "add paper to tray 1" . The reason is because the tray won't lift . Now CLUM the lift up motor for tray 1 works in test mode and CSPD1 is the sensor that signals the lift motor
also functions properly in test mode . I have changed both and tried them in tray 2 and they work fine I have also changed the PCU board and the cassette but no lift. Any help would be appreciated.
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