• 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 (J1) between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector (J61) 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 (J61) 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 (J61) on the DC controller PCA. 4. If the error persists, replace the fuser. W = 2, Fuser warm-up failure: 1. Reconnect the connector (J61) 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 (J61) 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 (J61) 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. NOTE: If the power source does not meet the power frequency requirement of 43 to 67Hz, the fuser temperature control does not work properly and causes this error. 2. If this product was previously serviced, check the connector (J61) 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 fuser pressure-release drive test in the component test to verify that the fuser motor (M3) is properly functioning. If it is not, replace the fuser motor (M3). 4. If this product was previously serviced, check the connector (J61) on the DC controller PCA. 5. 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 (J1) between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector (J61) 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 (J1) between the fuser and the product. If it is damaged, replace the fuser. 4. If this product was previously serviced, check the connector (J61) 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 error
• Remedy: 51.00.10: 1. Turn the product off and then on. 2. Check the flat flexible cable (FFC) connection to the laser scanner. 3. Check connector J71 at the DC controller, and check the laser scanner connectors. 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 connector J71 is fully seated on the DC controller PCA. 3. Verify that the connector on the laser scanner assembly is securely attached. 4. If the error persists, replace the laser scanner.

• Code: 52.<XX>.00
• Display: 52.<XX>.00 Error
• Description: The laser scanner experienced a startup error. • XX = 04 or 05: Laser scanner motor startup error • XX = 05: Laser scanner rotation error
• Remedy: XX = 04: 1. Perform the laser scanner component tests in the Troubleshooting menu. 2. Check the connectors (J1900 and J801) on the laser scanner driver PCA and the connector (J71) on the DC controller PCA. 3. If the error persists, replace the laser scanner. XX = 05 1. Perform the laser scanner component tests in the Troubleshooting menu. 2. Check the connectors (J1900 and J801) on the laser scanner driver PCA and the connector (J71) on the DC controller PCA. 3. If the error persists, replace the laser scanner.

• Code: 52.00.00
• Display: 52.00.00 Error
• Description: A scanner rotation error has occurred.
• Remedy: 1. Turn the product off and then on. 2. Perform the laser scanner component tests in the Troubleshooting menu. 3. If the component tests showed a failure, reconnect the connectors of the scanner motor (J1900 and J801) and the DC controller PCA (J71). 4. Replace the laser-scanner assembly.

• Code: 52.00.20
• Display: 52.00.20 Error
• Description: A scanner rotation error has occurred.
• Remedy: 1. Turn the product off and then on. 2. Perform the laser scanner component tests in the Troubleshooting menu. 3. If the component tests showed a startup failure, reconnect the connectors of the scanner motor (J1900 and J801) and the DC controller PCA (J71). 4. Replace the laser-scanner assembly.

• Code: 54.XX.YY
• Display: 54.XX.YY Error
• 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 (J63) 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. • 55.00.00 (event code): Internal communication 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: 1. Turn the product off and then on. 2. Perform an engine test. 3. Verify the connectors on the DC controller. 4. 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.