• Code: 49.XX.YY
• Display: 49.XX.YY Error
• Description: A firmware error has occurred. This error can be caused by corrupted print jobs, software applications issues, non-product specific print drivers, poor-quality USB or network cables, bad network connections or incorrect configurations, invalid firmware operations, or unsupported accessories.
• Remedy: 1. Turn the product off and then on. 2. If the error persists, check the following: • The error might be caused by a network connectivity problem, such as a bad interface cable, a bad USB port, or an invalid network configuration setting. • The error might be caused by the print job, such as an invalid print driver, a problem with the software application, or a problem with the file you are printing. • Upgrading the product firmware might help resolve the error. See the product user guide for more information.

• Code: 50.WX.YZ
• Display: 50.WX.YZ Fuser error
• Description: The product experienced a fuser error. • W = fuser error code • X = fuser mode • 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or AutoSense • 1: AutoSense (Normal special case distinguished from typed Normal) • 2: Normal, typed (not AutoSense) • 3: Light paper 1, 2, or 3, typed or AutoSense • 4: Heavy paper 1, typed or AutoSense • 5: Heavy paper 2, typed or AutoSense • 6: Heavy paper 3, typed or AutoSense • 7: Glossy paper 1, typed or AutoSense • 8: Glossy paper 2, typed or AutoSense • 9: Glossy paper 3, typed or AutoSense • A: Glossy film, typed or AutoSense • B: Transparency, typed or AutoSense • C: Label • D: Envelope1, Envelope2, or Envelope3 • E: Rough (designated paper 1), typed or AutoSense • F: Reserved for future fuser mode • Y = previous product sleep state • Z = next product sleep state • 0: Printing • 1: Standby level 1 (no temperature control) • 2: Standby level 2 (high temperature control) • 3: Standby level 3 (middle temperature control) • 4: Standby level 4 (low temperature control) • 5: Middle sleep • 6: Deep sleep • F: Off
• Remedy: W = A: High fuser temperature 2: 1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser. Make sure the product is not located in front of a vent or window where cool air may interfere with the ability of the fuser to heat up. 2. Check the product power source. Make sure the power source meets product requirements. Make sure this is the only device using the circuit. 3. Check the connector between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector on the DC controller PCA. 5. If the error persists, replace the fuser. W = B: High fuser temperature 3: 1. Remove and then reseat the fuser. Remove any residual paper in the product. 2. Check the paper type setting using the product menus and in the print driver. Making sure that they match and are correct for the type of paper being used. 3. If this product was previously serviced, check the connector on the DC controller PCA. 4. If the error persists, replace the fuser. W = 1, Low fuser error temperature error: 1. Remove and then reseat the fuser. 2. Check the paper type setting using the product menus and in the product driver. Make sure that they match and are correct for the type of paper being used. 3. If this product was previously serviced, check the connector on the DC controller PCA. 4. If the error persists, replace the fuser. W = 2, Fuser warm-up failure: 1. Reconnect the connector between the fuser and the DC controller PCA. 2. Turn the product off. Remove the fuser, and then reinstall it. 3. Replace the fuser wire harness. 4. If the error persists, replace the fuser. W = 3, High fuser temperature 1: 1. Remove and then reseat the fuser. 2. Check the paper type setting using the product menus and in the product driver. Make sure that they match and are correct for the type of paper being used. 3. If this product was previously serviced, check the connector on the DC controller PCA. 4. If the error persists, replace the fuser. W = 4, Fuser power supply driving circuit error: 1. Remove and then reseat the fuser. 2. If this product was previously serviced, check the connector on the DC controller PCA. 3. If the error persists, replace the fuser. W = 6, Open fuser, breaking of a heater wire: 1. Check the power source. Make sure the power source meets product requirements. 2. If this product was previously serviced, check the connector on the DC controller PCA. 3. If the error persists, replace the low-voltage power supply. W = 7, Fuser pressure-release mechanism failure: 1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser. 2. Check the fuser pressure-release sensor flag. If it is damaged, replace the fuser. 3. Use the manual sensor test to verify that the fuser pressure-release sensor is properly functioning. If it is not, replace the fuser. 4. Use the fuser pressure-release drive test in the component test to verify that the fuser motor is properly functioning. If it is not, replace the fuser motor. 5. If this product was previously serviced, check the connector on the DC controller PCA. 6. If the error persists, replace the fuser. W = 8, Low fuser temperature 2: 1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser. Make sure the product is not located in front of a vent or window where cool air may interfere with the ability of the fuser to heat up. 2. Check the product power source. Make sure the power source meets product requirements. Make sure this is the only device using the circuit. 3. Check the connector between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector on the DC controller PCA. 5. If the error persists, replace the fuser. W = 9, High fuser temperature 2: 1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser. Make sure the product is not located in front of a vent or window where cool air may interfere with the ability of the fuser to heat up. 2. Check the product power source. Make sure the power source meets product requirements. Make sure this is the only device using the circuit. 3. Check the connector between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector on the DC controller PCA. 5. If the error persists, replace the fuser.

• Code: 51.00.YY
• Display: 51.00.YY Error
• Description: An error with the laser/scanner assembly has occurred in the product. • YY = 10: Beam detect error • YY = 19: Laser malfunction • YY = 20: Black laser scanner errort
• Remedy: 51.00.10: 1. Turn the product off and then on. 2. Check the flat flexible cable (FFC) connections to the laser scanners. 3. Check the connectors at the DC controller, and at the laser scanner. 4. Replace the laser scanner. 51.00.19: 1. Turn the product off and then on. 2. Check the connectors on the laser scanner. 3. Replace the laser scanner. 51.00.20: 1. Perform the laser scanner component tests in the Troubleshooting menu. Verify that you can hear the motor rotate. 2. If you cannot hear the motor rotate, verify that connectors are fully seated on the DC controller PCA. 3. Verify that the connector J12 on the laser/scanner assembly is securely attached. 4. If the error persists, replace the black laser scanner.

• Code: 52.XX.00
• Display: 52.XX.00
• Description: The laser/scanner experienced a startup error. • XX = 00: Laser/scanner motor startup error • XX = 20: Laser/scanner rotation error
• Remedy: 1. Reconnect the connector on the laser/scanner driver PCA, and the connector on the DC controller PCA. 2. Use the scanner motor drive test in the component tests to verify that the scanner motor is properly functioning (listen for a high-pitched whine from the motor). If it is not, replace the laser/scanner. 3. If the error persists, replace the laser/scanner.

• Code: 54.XX.YY
• Display: 54.XX.YY
• Description: A sensor error has occurred.
• Remedy: 54.00.03: Environmental sensor failure 1. Turn the product off and then on. 2. If the environment sensor has been removed or replaced check the connector on the environment sensor, and the connector on the DC controller PCA. 3. If the error persists, replace the environment sensor assembly. 54.00.04: Engine temperature sensor 1 abnormality warning 1. Turn the product off and then on.

• Code: 55.XX.YY
• Display: 55.XX.YY DC Controller error
• Description: The communication link between the formatter and DC controller was lost. • 55.01.06 (event code): NVRAM memory data error warning • 55.02.06 (event code): NVRAM memory access error warning
• Remedy: 1. Turn the product off, and then on. 2. If the error persists, replace the DC controller.

• Code: 56.00.YY
• Display: 56.00.YY Error
• Description: The product experienced a communication error with the optional paper tray. • 56.00.01 (event code): Illegal input, selected paper input tray is unavailable • 56.00.02 (event code): Illegal output, selected paper output bin is unavailable
• Remedy: 1. Turn the product off and then on. 2. Reseat the optional paper tray. 3. Check the input connectors for damage. If a connector is damaged, replace the connector.

• Code: 57.00.0X
• Display: 57.00.0X Error
• Description: A fan error has occurred.
• Remedy: Turn the product off, and then on.