Error Message Face Down Tray Full for HP LaserJet M601, M602, M603 Series Printers.

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HP Say:

Face Down Tray Full

Description

This message is displaying even though the tray is not full.

Recommended action

  • Check the face down tray media full sensor flag and place it in the correct position to move smoothly. Replace sensor flag if damaged.
  • Use the Output bin full sensor (PS104) test in the Manual sensor test to verify that the sensor is properly functioning. If it is not, replace the sensor (PS104).
  • Reconnect the connector (J176) at face down tray media full sensor and DC controller PCA (J76).
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