LEXMARK Error Code 1682

HIGHCommon Issue

Lexmark Fuser Error: Fuser Malfunction or Temperature Issue

What This Error Means

Error code 1682 on Lexmark printers indicates a problem with the fuser assembly, often related to its temperature or overall functionality.

Detailed Explanation

The Lexmark error code 1682 signals a critical issue with the printer's fuser unit. The fuser is a vital component responsible for melting toner onto the paper, making the print permanent. When this error appears, it typically means the fuser is not reaching its optimal operating temperature, is overheating, or has experienced a mechanical failure that prevents it from functioning correctly. This can be due to a faulty heating element, a malfunctioning thermistor (temperature sensor), a broken fuser lamp, or an issue with the fuser's drive gears. This error prevents the printer from operating because print quality relies heavily on the fuser's proper function. Without the correct temperature, toner will not fuse to the paper, resulting in smudged or completely blank prints. The printer's internal diagnostics detect this anomaly and halt operations to prevent further damage to the unit or poor print output. While sometimes a temporary glitch, it often points to a component failure within the fuser assembly itself.

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

    Turn off the printer completely and unplug it from the wall outlet. Wait for at least 5-10 minutes to allow the fuser to cool down and clear any residual power.

  2. 2

    Plug the printer back in and power it on. Observe if the error code clears during the startup sequence.

  3. 3

    Open the printer's rear access door or side panel (depending on your model) to locate the fuser assembly. It's usually a large unit with warning labels about heat.

  4. 4

    Carefully inspect the fuser for any visible obstructions, such as jammed paper fragments, torn labels, or foreign objects. Remove any debris found.

  5. 5

    Gently check if the fuser assembly is properly seated. If it's a user-replaceable unit, try removing it and reinstalling it firmly.

  6. 6

    Ensure the printer is connected directly to a wall outlet, not a surge protector or UPS, as insufficient power can sometimes cause heating elements to malfunction.

  7. 7

    If your printer has a 'consumables' or 'maintenance' menu, check the fuser life counter. If it's near or past its expected lifespan, it might be due for replacement.

When to Call a Specialist

If after performing all the DIY troubleshooting steps, the 1682 error persists, it's highly likely that the fuser assembly itself is defective and requires replacement. Attempting to repair the fuser's internal components (like the heating lamp or thermistor) is not recommended for an average user due to the high voltage and heat involved, as well as the complexity of the repair. A technician can accurately diagnose whether it's the fuser, the fuser drive, or a main board issue affecting the fuser's operation and perform the replacement safely and correctly.

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Estimated Repair Cost

$200-$500 (for fuser replacement, parts & labor)

Actual costs may vary based on location and specialist

Commonly Affected Models
  • • Lexmark MS Series (e.g., MS310, MS410, MS510)
  • • Lexmark MX Series (e.g., MX310, MX410, MX510)
  • • Lexmark C/CS Series (e.g., C2325, CS310)
  • • Lexmark X Series (e.g., X364, X464)
Related Error Codes
1680 (Fuser warm-up error)1681 (Fuser temperature sensor error)1683 (Fuser motor error)

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