Error Message Bad optional tray connection for HP LaserJet M601, M602, M603 Series Printers.

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HP Say:

Bad optional tray connection

Description

The optional tray is not connected, not connected correctly, or a connection is not working correctly.

Recommended action

  • Turn the product off.
  • Remove and then reinstall the optional tray.
  • Reconnect connectors for the tray.
  • If the problem continues, replace the connector for the tray.
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