• Code: 51.00
• Display: 51.00
• Description: Laser error. An error with the laser/scanner assembly has occurred in the product.
• Remedy: action1. Reset the printer:a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the product.

• Code: 51.20
• Display: 51.20
• Description: Black laser scanner error. An error with the laser/scanner assembly has occurred in the product.
• Remedy: action1. Reset the printer:a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the product.

• Code: 51.30
• Display: 51.30
• Description: Laser error. An error with the laser/scanner assembly has occurred in the product.
• Remedy: action1. Reset the printer:a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the product.

• Code: 52
• Display: 52
• Description: An error with the laser/scanner assembly has occurred in the product.
• Remedy: action1. Reset the printer:a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector: a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the product.

• Code: 55.0
• Display: 55.0
• Description: DC controller communication error. The product has experienced an error with one of the internal sensors.
• Remedy: 1. Reset the printer: a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the DC Controller PCB Assembly (HP Part #: RM2-8680-000CN).4. If the error persists, replace the product.

• Code: 55.0601
• Display: 55.0601
• Description: DC controller NVRAM data error. The product has experienced an error with one of the internal sensors.
• Remedy: 1. Reset the printer: a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the DC Controller PCB Assembly (HP Part #: RM2-8680-000CN).4. If the error persists, replace the product.

• Code: 55.0602
• Display: 55.0602
• Description: DC controller NVRAM access error. The product has experienced an error with one of the internal sensors.
• Remedy: 1. Reset the printer: a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the DC Controller PCB Assembly (HP Part #: RM2-8680-000CN).4. If the error persists, replace the product.

• Code: 55.1
• Display: 55.1
• Description: DC controller memory error. The product has experienced an error with one of the internal sensors.
• Remedy: 1. Reset the printer: a. Turn off the power by using the power switch, and then wait at least 30 seconds.b. Turn on the power and wait for the product to initialize.2. If you are using a surge protector:a. Power off the printer.b. Remove the surge protector.c. Plug the product directly into the wall socket and turn the product power on.3. If the error persists, replace the DC Controller PCB Assembly (HP Part #: RM2-8680-000CN).4. If the error persists, replace the product.