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Error code: 0x51

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Description :

• CR lock release error.

Explanation :

• An error occurred in the carriage operation sequence.

Remedy :

• Carriage Assembly Operation Check.
  • Check that there are no foreign objects in the route of the carriage.
  • Move the carriage assembly by hand, and check that it moves smoothly.
• Make the following adjustments.
  • Carriage measurement adjustment.
• Check the following parts for dirt or damage. Clean or replace them if necessary.
  • CR scale.
  • CR encoder.
  • Carriage shaft (also check lubrication).
  • CR belt (also check its tension).
  • CR motor.
  • PW sensor.
  • Printer control board.
  • LPS board.
  • Maintenance unit.
• Check the following connection status and check the cables for damage.
  • Head FFC.
  • Connection between the CR motor and the printer relay board.