• Code: 57.04
• Display: 57.04 ERROR
• Description: A main cooling fan (FM1) error has occurred. Fan operation is verified during device powerup. Fan operation occurs only during powerup or during a print job.
• Remedy: 1. Turn the device off and then on. 2. Verify that nothing is hindering or blocking the fan. 3. Verify that the fan is connected to connector J509 on the ECU PCA. 4. If the message persists, replace the fan.

• Code: 59.50
• Display: 59.50 ERROR
• Description: A main motor (M1) error has occurred. Motor operation is verified during device power-up.
• Remedy: 1. Turn the device off and then on. 2. Verify that nothing is hindering the main motor. If necessary, remove all paper trays and the print cartridge, and then turn on the device and listen for motor operation. 3. Verify that the main motor is connected to connector J407 on the ECU. You might have to remove the main cooling fan to see this connection. 4. If the message persists, replace the motor.

• Code: 62
• Display: 62 NO SYSTEM
• Description: No system was found.
• Remedy: 1. Turn the device off and then on. 2. If the message persists, replace the formatter.

• Code: 64
• Display: 64 ERROR
• Description: A scan buffer error has occurred.
• Remedy: 1. Turn the device off and then on. 2. If the message persists, replace the formatter.

• Code: 68.X
• Display: 68.X PERMANENT STORAGE FULL
• Description: A non-volatile storage device is full. Press "OK" to clear the message. Printing can continue, but unexpected behavior could result. X Description 0 Onboard NVRAM 1 Removable disk (flash or hard)
• Remedy: 1. Press "OK" to continue. 2. Turn the device off and then on. 3. Perform an NVRAM initialization. 4. If the message persists, replace the formatter

• Code: 68.X
• Display: 68.X PERMANENT STORAGE WRITE FAIL
• Description: A non-volatile storage device is full. Press "OK" to clear the message. Printing can continue, but unexpected behavior could result. X Description 0 Onboard NVRAM 1 Removable disk
• Remedy: 1. Press "OK" to continue. 2. Turn the device off and then on. 3. Perform an NVRAM initialization. 4. If the message persists, replace the formatter.

• Code: 68.X
• Display: 68.X STORAGE ERROR SETTINGS CHANGED
• Description: A non-volatile storage device is full. Press "OK" to clear the message. Printing can continue, but unexpected behavior could result. X Description 0 Onboard NVRAM
• Remedy: 1. Press "OK" to continue. 2. Turn the device off and then on. 3. Perform an NVRAM initialization. 4. If the message persists, replace the formatter.

• Code: 79.XXXX
• Display: 79.XXXX
• Description: A critical hardware error has occurred.
• Remedy: 1. Turn the device off and then on. 2. If the message persists, contact HP support.