• Code: 51.00.10
• Display: 51.00.10 Beam detect error
• Description: A printer beam detect error occurred.
• Remedy: 1. Reconnect the connector (J1801) of the BD sensor and connector J234 on the DC controller PCA. 2. Reconnect the connector (J151) of the laser scanner assembly and connector J234 on the DC controller PCA. 3. If the error persists, replace the laser/scanner. 4. If the error persists, replace the upper cable guide assembly. 5. If the error persists, replace the DC controller.

• Code: 51.00.19
• Display: 51.00.19 Laser Scanner Error - Laser malfunction Sens
• Description: A printer laser scanner error occurred.
• Remedy: 1. Reconnect the connector (J1) on the laser driver PCA and connector J209 on the DC controller PCA. 2. Reconnect the connector (J151) on the laser scanner assembly and connector J234 on the DC controller PCA. 3. Reconnect the intermediate connector (J23) of the laser scanner. 4. If the error persists, replace the laser/scanner. 5. If the error persists, replace the upper cable guide assembly. 6. If the error persists, replace the DC controller.

• Code: 51.00.20
• Display: 51.00.20 Laser Scanner Error - Laser malfunction Sens
• Description: A printer laser scanner error occurred.
• Remedy: 1. Reconnect the connector (J1) on the laser driver PCA and connector J209 on the DC controller PCA. 2. Reconnect the connector (J151) on the laser scanner assembly and connector J234 on the DC controller PCA. 3. Reconnect the intermediate connector (J23) of the laser scanner. 4. If the error persists, replace the laser/scanner. 5. If the error persists, replace the upper cable guide assembly. 6. If the error persists, replace the DC controller.

• Code: 52.00.00
• Display: 52.00.00 Scanner Startup error
• Description: A printer laser scanner startup error occurred.
• Remedy: 1. Reconnect the connector (J151) on the laser scanner assembly and connector J234 on the DC controller PCA. 2. Reconnect the intermediate connector (J23) of the laser scanner. 3. Run the scanner motor drive test in the actuator drive mode to verify that the scanner motor is functioning correctly. If it is not, replace the laser scanner assembly. 4. If the error persists, replace the DC controller.

• Code: 52.00.20
• Display: 52.00.20 Scanner Rotation error
• Description: A printer laser scanner rotation error occurred.
• Remedy: 1. Reconnect the connector (J151) on the laser scanner assembly and connector J234 on the DC controller PCA. 2. Reconnect the intermediate connector (J23) of the laser scanner. 3. Run the scanner motor drive test in the actuator drive mode to verify that the scanner motor is functioning correctly. If it is not, replace the laser scanner assembly. 4. If the error persists, replace the DC controller.

• Code: 54.00.03
• Display: 54.00.03 (EVENT LOG ONLY)
• Description: Environmental sensor abnormality warning
• Remedy: 1. Turn the product off, and then on. 2. If the environment sensor has been removed or replaced, check the connector from tray 1 to the environment sensor and the connector (J223) on the DC controller PCA. 3. If the error persists, replace the environment sensor assembly. 4. If the error persists, replace the right door assembly.

• Code: 54.06.21
• Display: 54.06.21 (EVENT LOG ONLY)
• Description: Primary laser/scanner beam detect abnormality
• Remedy: 1. Turn the product off, and then on. 2. If the product has had parts removed or replaced, check the connectors (J209 and J234) on the DC controller PCA. 3. Check the intermediate connection (J23). 4. If the error persists, replace the laser/scanner assembly. 5. If the error persists, replace the upper cable guide assembly.

• Code: 55.00.0
• Display: 55.00.01 DC controller error
• Description: DC controller PCA error occurred.
  DC controller memory error
• Remedy: 1. Turn the product off, and then on. 2. If the error persists, replace the DC controller PCA.