HP LaserJet M477 Pro Color MFP error codes with quick guide

HP LaserJet M477 Pro Color MFP error codes with quick guide

– Compatible Printer model: HP LaserJet M477 Pro Color MFP
– HP LaserJet M477 Pro Color MFP Error Codes with instructions guide:
HP LaserJet M477 Pro Color MFP

• Code: 30.0013
• Display: 30.XXXX Scanner Error
• Description: The flatbed or ADF scanner is failing to initialize
• Causes: Scanner failed to find home
• Remedy: 1. Verify that the product has the most recent firmware from hp.com. 2. Verify that the (flat flexible cables (FFC’s) are seated correctly on the formatter board. 3. If the error persists, replace the Scanner/ADF Assembly (HP Part #: CF377– 60104). 4. If the error persists, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: 30.0016
• Display: 30.XXXX Scanner Error
• Description: The flatbed or ADF scanner is failing to initialize
• Causes: Scan sensor communication error
• Remedy: 1. Verify that the product has the most recent firmware from hp.com. 2. Verify that the (flat flexible cables (FFC’s) are seated correctly on the formatter board. 3. If the error persists, replace the Scanner/ADF Assembly (HP Part #: CF377– 60104). 4. If the error persists, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: 30.0017
• Display: 30.XXXX Scanner Error
• Description: The flatbed or ADF scanner is failing to initialize
• Causes: Scan motor exceeded max position error
• Remedy: 1. Verify that the product has the most recent firmware from hp.com. 2. Verify that the (flat flexible cables (FFC’s) are seated correctly on the formatter board. 3. If the error persists, replace the Scanner/ADF Assembly (HP Part #: CF377– 60104). 4. If the error persists, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: 30.0023
• Display: 30.XXXX Scanner Error
• Description: The flatbed or ADF scanner is failing to initialize
• Causes: ADF scanner calibration error
• Remedy: 1. Verify that the product has the most recent firmware from hp.com. 2. Verify that the (flat flexible cables (FFC’s) are seated correctly on the formatter board. 3. If the error persists, replace the Scanner/ADF Assembly (HP Part #: CF377– 60104). 4. If the error persists, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: 49.XX.YY
• Display: 49.XX.YY Error Messages
• Description: The product has experienced an internal embedded software error. Under most conditions, the product automatically restarts.
• Causes:
• 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, disconnect any network or USB cables and power cycle. If the product returns to Ready, check the FW version and update if a newer version is available. 4. If the error persists, print a Service Page from the Reports menu. Also, print an Error Report from the 2ndary Service Menu. On the Service Page, look at the xxxx portion of the 49.xxxx errors listed: • If the numbers are all or mostly different, then power quality is a possible problem; try a different wall socket. • If the xxxx portion of 49.xxxx contain repeats of the same numbers or groups of numbers, then check the 2ndary Service Error Report printed earlier for indications of a failure in a particular area. The report may indicate whether the error is caused by a network problem or a problem with the job. 5. If the error persists, replace the product. NOTE: If the 49 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. 6. If the error persists after product replacement, escalate to Level 3 so that Technical Marketing has visibility to the problem.

• Code: 50.00
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Generic Fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.10
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Low Fuser temperature error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.11
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: High sub thermistor area 3 fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.12
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Low sub thermistor area 3 fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.20
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Slow fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.30
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: High fuser temperature error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.40
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Fuser drive circuit error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.70
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Fuser open error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.80
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: Low sub thermistor fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 50.90
• Display: 50.XX Fuser Error, Turn off then on
• Description: The product has experienced an internal fuser hardware error
• Causes: High sub thermistor fuser error
• Remedy: 1. Reset the product: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 product.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 Fusing Assembly: Fusing Assembly, 110 VAC, simplex models (HP Part #: RM2–6431–000CN Fusing Assembly, 220 VAC, simplex models (HP Part #: RM2–6436–000CN Fusing Assembly, 110 VAC, duplex models (HP Part #: RM2–6418–000CN Fusing Assembly, 220 VAC, duplex models (HP Part #: RM2–6435–000CN4. If the error persists, replace the product.

• Code: 51.00
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Laser error
• 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 product.

• Code: 51.20
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Black laser scanner error
• 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 product.

• Code: 51.21
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Cyan laser scanner error
• 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 product.

• Code: 51.22
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Magenta laser scanner error
• 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 product.

• Code: 51.23
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Yellow laser scanner error
• 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 product.

• Code: 51.30
• Display: 51.XX Laser Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes: Laser error
• 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 product.

• Code: 52
• Display: 52 Scanner Error, Turn off then on
• Description: An error with the laser/scanner assembly has occurred in the product.
• Causes:
• 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 product.

• Code: 54.15
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Yellow toner level sensor error
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 54.16
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Magenta toner level sensor error
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 54.17
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Cyan toner level sensor error
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 54.18
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Black toner level sensor error
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 54.19
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: TOP sensor scanner error
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 54.1C
• Display: 54.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Density or CPRS sensor dirty
• 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. Reseat sensor connections on the DC Controller. 4. If the error persists, replace the Density Detect Sensor Assembly (HP Part #: RM2–7399–000CN). 5. If the error persists, replace the product.

• Code: 55.0
• Display: 55.XXXX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: DC controller communication error
• 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 Engine Controller PCB Assembly: NOTE: For these products, the DC Controller and HVPS are integrated in to the Engine Controller PCB Assembly. There are not separate part numbers for the HVPS or DCC. Engine Controller PCB Assembly, Duplex RM2–7909–000CN Engine Controller PCB Assembly, Simplex RM2–7910–000CN 4. If the error persists, replace the product.

• Code: 55.0601
• Display: 55.XXXX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: DC controller NVRAM data error
• 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 Engine Controller PCB Assembly: NOTE: For these products, the DC Controller and HVPS are integrated in to the Engine Controller PCB Assembly. There are not separate part numbers for the HVPS or DCC. Engine Controller PCB Assembly, Duplex RM2–7909–000CN Engine Controller PCB Assembly, Simplex RM2–7910–000CN 4. If the error persists, replace the product.

• Code: 55.0602
• Display: 55.XXXX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: DC controller NVRAM access error
• 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 Engine Controller PCB Assembly: NOTE: For these products, the DC Controller and HVPS are integrated in to the Engine Controller PCB Assembly. There are not separate part numbers for the HVPS or DCC. Engine Controller PCB Assembly, Duplex RM2–7909–000CN Engine Controller PCB Assembly, Simplex RM2–7910–000CN 4. If the error persists, replace the product.

• Code: 55.1
• Display: 55.XXXX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: DC controller memory error
• 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 Engine Controller PCB Assembly: NOTE: For these products, the DC Controller and HVPS are integrated in to the Engine Controller PCB Assembly. There are not separate part numbers for the HVPS or DCC. Engine Controller PCB Assembly, Duplex RM2–7909–000CN Engine Controller PCB Assembly, Simplex RM2–7910–000CN 4. If the error persists, replace the product.

• Code: 55.3
• Display: 55.XXXX Error, Turn off then on
• Description: The product has experienced an error with one of the internal sensors.
• Causes: Engine communication error
• 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 Engine Controller PCB Assembly: NOTE: For these products, the DC Controller and HVPS are integrated in to the Engine Controller PCB Assembly. There are not separate part numbers for the HVPS or DCC. Engine Controller PCB Assembly, Duplex RM2–7909–000CN Engine Controller PCB Assembly, Simplex RM2–7910–000CN 4. If the error persists, replace the product.

• Code: 57.01
• Display: 57 Fan Error, Turn off then on
• Description: The product has experienced an error with its internal fan.
• Causes: Fan 1 error
• 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 internal cooling fan (HP Part #: RK2–6270–000CN).4. If the error persists, replace the product.

• Code: 58.04
• Display: 58.XX Error, Turn off then on
• Description: The product has experienced an error with the low voltage power supply.
• Causes: Low voltage power supply malfunction
• 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. 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: Low voltage power supply PCB assembly – Input voltage 110VAC-127VAC RM2–7913–000CN Low voltage power supply PCB assembly – Input voltage 220VAC-240VAC RM2–7914–000CN5. If the error persists, replace the product.

• Code: 59.30
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Fuser motor startup error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.40
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Fuser motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.70
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Black developer motor startup error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.71
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Cyan developer motor startup error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.72
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Magenta developer motor startup error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.73
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Yellow developer motor startup error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.80
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Black developer motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

Solved HP LaserJet M477 Pro Color MFP Error codes

• Code: 59.81
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Cyan developer motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.82
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Magenta developer motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.83
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Yellow developer motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.90
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: ITB motor start error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.A0
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: ITB motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.C0
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Developer motor rotation error
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 59.F0
• Display: 59.XX Error, Turn off then on
• Description: The product has experienced an error with one of the internal motors.
• Causes: Transfer alienation failure
• 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 appropriate motor: Error Code Motor Description HP Part # 59.30, 59.40 Fuser Motor Assembly RM2–7348–000CN 59.70, 59.71, 59.72, 59.73, 59.80, 59.80, 59.82, 59.83 59.C0 Developing Motor Assembly RM2–7344–000CN 59.90, 59.A0, 59.FO Drum Motor Assembly RM2–7342–000CN

• Code: 79
• Display: 79 Error, Turn off then on
• Description: The product has experienced an internal firmware error. Under most conditions, the product automatically restarts.
• Causes:
• 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. 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.

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