• Code: 51.00.19
• Display: 51.00.YY Error To continue turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
  Laser malfunction
• Remedy: 1. Turn the product off, and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Replace the laser scanner.

• Code: 51.00.20
• Display: 51.00.YY Error To continue turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
  Black laser scanner error
• Remedy: 1. Turn the product off, and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Replace the laser scanner.

• Code: 51.00.21
• Display: 51.00.YY Error To continue turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
  Cyan laser scanner error
• Remedy: 1. Turn the product off, and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Replace the laser scanner.

• Code: 51.00.22
• Display: 51.00.YY Error To continue turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
  Magenta laser scanner error
• Remedy: 1. Turn the product off, and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Replace the laser scanner.

• Code: 51.00.23
• Display: 51.00.YY Error To continue turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
  Yellow laser scanner error
• Remedy: 1. Turn the product off, and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Replace the laser scanner.

• Code: 52.00.00
• Display: 52.<XX>.00 Error To continue turn off then on
• Description: Laser/scanner error
  Laser/scanner motor startup error
• Remedy: Use the scanner motor (M10) drive test in the component test to test the motor. If the motor does not run, replace the laser/scanner assembly. NOTE: Listen for a high pitched whine from the motor. If the laser/scanner assembly has been removed or replaced, check the connectors (J831 and J832) on the laser-driver PCA and the connectors (J61 and J62) on the DC controller PCA.

• Code: 52.20.00
• Display: 52.<XX>.00 Error To continue turn off then on
• Description: Laser/scanner error
  Laser/scanner rotation error
• Remedy: Use the scanner motor (M10) drive test in the component test to test the motor. If the motor does not run, replace the laser/scanner assembly. NOTE: Listen for a high pitched whine from the motor. If the laser/scanner assembly has been removed or replaced, check the connectors (J831 and J832) on the laser-driver PCA and the connectors (J61 and J62) on the DC controller PCA.

• Code: 54.00.03
• Display: 54.XX.YY Error
• Description: A sensor error has occurred.
  Environmental sensor failure
• Remedy: 1. Turn the product off, and then on. 2. If the environment sensor has been removed or replaced, check the connector (J2) on the environment sensor and the connector (J108) on the DC controller PCA. 3. If the error persists, replace the environment sensor assembly.