• Code: 54.12.05
• Display: 54.XX.YY Error
• Description: A sensor error has occurred.
  Media Sensor is not functioning properly
• Remedy: 1. Clean the media sensor with a lint-free cloth and then turn the product off and then on. 2. 54.11.05: If the error persists replace the paper pickup assembly. The threshold level for the media sensor (Media Sensor Value) is located on a label on the paper pickup assembly. Use the Service menu to input this value into the product memory after replacing the paper pickup assembly. -or- 54.12.05: If the error persists replace the right door assembly. 3. 54.11.05: If the product has had parts removed or replace check the connector (J542) on the media sensor and the connector (J112) on the DC controller PCA. -or- 54.12.05: If the product has had parts removed or replace check the connector (J114) on the media sensor and the connector (J152) on the DC controller PCA.

• Code: 55.00.YY
• Display: 55.00.YY DC controller errormal
• Description: DC controller PCA error • 55.00.01 (event code) DC controller memory error • 55.00.03 (event code DC controller no engine response • 55.00.04 (event code DC controller communications timeout
• Remedy: Turn the product off, and then on. If the error persists, replace the DC controller PCA.

• Code: 55.0X.YY
• Display: 55.0X.YY DC controller error
• Description: DC controller PCA error
  • 55.01.06 (event code) NVRAM memory data error warning • 55.02.06 (event code) NVRAM memory access error warning
• Remedy: Turn the product off, and then on. If the error persists, replace the DC controller PCA.

• Code: 56.00.YY
• Display: 56.00.YY Error
• Description: Optional paper trays communication error
• Remedy: Turn the product off, and then on. If the error persists, reseat the optional paper trays (1 x 500-sheet feeder and/or 3 x 500-sheet feeder). Check the input connectors for damage. If a connector is damaged, replace the connector.

• Code: 57.00.01
• Display: 57.00.0Y Error
• Description: Fan error
  Power supply fan (FM1) failure
• Remedy: 1. Turn the product off, and then on. Listen for fan noise at the front lower-left corner of the product. If no noise is heard, replace the power supply fan (FM1). 2. If this part has been removed or replace, check the connector (J21) on the DC controller PCA and the connector (J106) on the low-voltage power supply assembly.

• Code: 57.00.02
• Display: 57.00.0Y Error
• Description: Fan error
  Fuser fan (FM2) faliure
• Remedy: 1. Turn the product off, and then on. Listen for fan noise at the front lower-right corner of the product. If no noise is heard, replace the fuser fan (FM2). 2. If this part has been removed or replace, check the connector (J121) on the DC controller PCA and the intermediate connector (J524).

• Code: 57.00.03
• Display: 57.00.0Y Error
• Description: Fan error
  Formatter fan (FM3) failure
• Remedy: 1. Turn the product off, and then on. Listen for fan noise at the lower back-center of the product. If no noise is heard, replace the formatter fan (FM3). 2. If this part has been removed or replace, check the connector (J142) on the intermediate connect board.

• Code: 59.00.04
• Display: 59.00.YY Error
• Description: Printing error
  Fuser motor (M4) start up error or fuser motor (M4) rotational error
• Remedy: 1. Use the fuser motor (M4) drive test in the component test to verify that the fuser motor is properly functioning. If it is not, replace the fuser motor assembly. 2. If the product has been serviced, check the connector (J516) on the fuser motor and the connector (J81) on the DC controller PCA.