• Code: 55.3
• Display: 55.3
• Description: Engine 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: 57.01
• Display: 57.01
• Description: Fan 1 error. The product has experienced an error with its internal fan.
• 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 internal cooling fan (HP Part #: RK2-8068-000CN).4. If the error persists, replace the product.

• Code: 58.04
• Display: 58.04
• Description: Low voltage power supply malfunction. The product has experienced an error with the low voltage power supply.
• 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. Check the voltage label on the back of the product. If the product is rated 220V and is plugged into a 110V outlet, this error might occur. In most cases, no damage is caused to the product. If a power transformer is used to convert 220V power to 110V, verify that the transformer power rating is sufficient to operate the product.4. If the error persists, replace the Low Voltage Power Supply PCB Assembly: M402, M403 L.V.POWER SUPPLY PCB ASS'Y (110v) RM2-8516-000CN M402, M403 L.V.POWER SUPPLY PCB ASS'Y (220v) RM2-8517-000CN M426, M427 L.V.POWER SUPPLY PCB ASS'Y (110v) RM2-8518-000CN M426, M427 L.V.POWER SUPPLY PCB ASS'Y (220v) RM2-8519-000CN5. If the error persists, replace the product.

• Code: 59
• Display: 59
• Description: The product has experienced an error with the internal motor.
• 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 Main Motor Assembly (HP Part #: RM2-8684-000CN).

• Code: 79
• Display: 79
• Description: The product has experienced an internal firmware error. Under most conditions, the product automatically restarts.
• 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 is intermittent, attempt to isolate the issue to something specific in the customers environment. NOTE: If the 79 Error is caused by the network or a specific file, do not replace the product; it will not resolve the issue. Instead, attempt to isolate the issue in a way that demonstrates the error is caused by something in the environment. 4. If the error is persistent, replace the Formatter PCA: M402/M403 D Formatter PCB Assembly C5F92-60001 M402/M403 N/DN Formatter PCB Assembly C5F93-60001 M402/M403 DW Formatter PCB Assembly C5F94-60001 M426/M427 4in1 Formatter PCB Assembly C5F98-60001 M426/ M426 3in1 Formatter PCB Assembly C5F99-60001 5. If the error persists, replace the product. 6. If the error persists after product replacement, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: ab01
• Display: <COLOR> cartridge is very low.
• Description: The indicated toner cartridge is at the end of its useful life. A customer configurable option on this product is "Prompt to Remind Me in 100 pages, 200 pages, 300 pages, 400 pages, or never." This option is provided as a customer convenience and is not an indication these pages will have acceptable print quality.
• Remedy: To ensure optimal print quality, HP recommends replacing the toner cartridge at this point. You can continue printing until you notice a decrease in print quality. Actual cartridge life might vary. Once an HP supply has reached Very Low, HP’s Premium Protection Warranty on that supply has ended. All print defects or cartridge failures incurred when an HP supply is used in Continue at very low mode will not be considered to be defects in materials or workmanship in the supply under the HP Print Cartridge Warranty Statement.

• Code: ab02
• Display: Cleaning.
• Description: The product periodically performs a cleaning procedure to maintain the best print quality.
• Remedy: Wait for the cleaning process to finish.

• Code: ab03
• Display: Device error. Press [OK] to continue.
• Description: Paper has been delayed as it moves through the product.
• Remedy: Press the OK button to clear the message. To avoid this problem, try the following solutions:1. Adjust the paper guides in the tray. Ensure the front paper guide is pushing the paper against the back edge of the tray.2. Use paper that meets HP specifications. Store paper unopened in its original packaging.3. Use the product in an area that meets the environmental specifications for this product.