HP Error Code 071.370

MEDIUMCommon Issue

HP Fuser Area Paper Jam or Sensor Error (071.370)

What This Error Means

Error 071.370 on HP printers typically indicates a paper jam detected within or around the fuser assembly, or a related sensor malfunction.

Detailed Explanation

The 071.370 error code on HP printers points to a problem with paper movement specifically in the fuser area. The fuser is a critical component responsible for bonding toner to the paper using heat and pressure. When paper enters this section, sensors monitor its progress. If a sensor fails to detect the paper at the expected time, or if it detects an obstruction, this error is triggered. This could be due to a physical paper jam, a torn piece of paper obstructing a sensor, or even a faulty sensor itself. Common causes include using incorrect paper types or weights that are not suitable for the printer, loading paper improperly into the trays, or general wear and tear on the paper path components. Sometimes, even a small, overlooked piece of paper from a previous jam can cause this error to persist. It's crucial to address this error promptly, as continued operation with a fuser jam can potentially damage the fuser assembly or other internal components.

DIY Troubleshooting Steps
Try these steps before calling a specialist
  1. 1

    Turn off the printer completely and unplug it from the power outlet to ensure safety before proceeding.

  2. 2

    Open all accessible covers and trays, including the rear access panel if available, and carefully inspect the paper path for any visible paper fragments.

  3. 3

    Gently pull out any jammed paper in the direction of the paper path, avoiding tearing it. If paper tears, ensure all small pieces are removed.

  4. 4

    Pay special attention to the fuser area, which is usually located towards the back or center of the printer and may have warning labels due to heat. Look for any obstructions.

  5. 5

    Check the paper tray for proper loading. Ensure the paper guides are snug against the paper stack without being too tight, and that you are using the correct paper type and size for your printer's specifications.

  6. 6

    Close all covers securely. Loose covers can sometimes prevent the printer from operating correctly.

  7. 7

    Plug the printer back in and turn it on. Allow it to initialize and see if the error clears.

  8. 8

    If the error persists, try printing a test page from the printer's control panel to see if the paper path is clear.

  9. 9

    Consider performing a 'cold reset' or 'NVRAM initialization' if your printer model supports it, as this can sometimes clear persistent sensor errors (consult your printer's manual for specific instructions).

  10. 10

    If you suspect a sensor issue and are comfortable, gently clean any visible paper path sensors with a lint-free cloth, ensuring they are free from dust or debris.

When to Call a Specialist

If after following all DIY troubleshooting steps, the 071.370 error persists, or if you repeatedly find paper jams in the fuser area, it's time to contact a professional. This often indicates a more serious underlying hardware issue such as a failing fuser assembly, a damaged paper pick-up roller, a faulty paper path sensor, or an internal component that requires specialized tools or knowledge to replace. Attempting to force components or disassemble parts without proper training can cause further damage.

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Estimated Repair Cost

$150-$400

Actual costs may vary based on location and specialist

Commonly Affected Models
  • • HP LaserJet Pro M404dn
  • • HP LaserJet Enterprise M507dn
  • • HP Color LaserJet Pro MFP M479fdw
  • • HP LaserJet P3015
  • • HP LaserJet M607
Related Error Codes
071.300071.400071.500

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