• Code: 55.XX.YY
• Display: 55.XX.YY DC CONTROLLER ERROR
• Description: A temporary printing error occurred.
• Remedy: 1. Turn the product off and then on. 2. Remove any third-party memory or USB device, and then turn the product off and then on. 3. Remove and then reinstall the formatter. 4. If the error persists, remove the formatter and perform an engine test. If the engine test page fails to print, replace the DC controller. If the engine test page prints, replace the formatter.

• Code: 56.XX
• Display: 56.XX ERROR
• Description: A temporary printing error occurred as a result of an incorrect input or output request.
• Remedy: • Turn the product off and then on. • If the message persists, contact an HPauthorized service or support provider.

• Code: 57.01
• Display: 57.01 ERROR
• Description: Fan FN103 has experienced an error.
• Remedy: 1. Inspect fan FN103 to determine if its rotational movement is being obstructed. 2. Verify that the fan connection at connector J79 on the DC controller PCA is securely seated. 3. If the error persists, replace the fan.

• Code: 57.03
• Display: 57.03 ERROR
• Description: Fan FN102 has experienced an error.
• Remedy: 1. Inspect fan FN102 to determine if its rotational movement is being obstructed. 2. Verify that the fan connection at connector J75 on the DC controller PCA is securely seated. 3. If the error persists, replace the fan.

• Code: 57.04
• Display: 57.04 ERROR
• Description: Fan FN101 has experienced an error.
• Remedy: 1. Inspect fan FN101 to determine if its rotational movement is being obstructed. 2. Verify that the fan connection at connector J64 on the power supply PCA is securely seated. 3. If the error persists, replace the fan.

• Code: 57.05
• Display: 57.05 ERROR
• Description: The duplexer fan has experienced an error.
• Remedy: 1. Inspect the fan to determine if its rotational movement is being obstructed. 2. If the error persists, replace the duplexer.

• Code: 57.07
• Display: 57.07 ERROR
• Description: Fan FN301 has experienced an error.
• Remedy: 1. Inspect fan FN301 to determine if its rotational movement is being obstructed. 2. Verify that the fan connection at connector J65 on the power supply PCA is securely seated. 3. If the error persists, replace the fan.

• Code: 58.XX
• Display: 58.XX ERROR
• Description: The environmental sensor (TH3) has experienced an error.
• Remedy: 1. Verify that the environmental sensor connection at connector J63 on the high-voltage power supply PCA is securely seated. 2. If the error persists, replace the environmental sensor (TH3).