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921 service fuser error - Lexmark Optra T612 Laser Printer

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The 921 service fuser error indicates the fuser indicates that the fuser unit failed to reach the standby temperature. This usually requires service. But here's a couple of things worth checking:

  • Unplug printer from power source, replug after 30 seconds. Make sure to plug the printer straight to the power outlet in the wall. Bypass any surge devices or power strips as they can cause low amperage resulting to false fuser error.
  • Check Maintenance kit count. Go to Configuration Menu by pressing Select and Return while powering on the printer. If count value reached 300,000, maintenance kit should be replaced.
If error continues, don't hesitate to contact Lexmark technical support or your authorized service provider for assistance.

Posted on Aug 30, 2010

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1 Answer

What is the fix for a 921 service fuser error?


Service Fuser Error appears when the fuser does not warm to the required temperature. For this error on this Lexmark model, the manual states you should power off the printer and power it back on, and if it is not plugged into a wall power point, change it to a power point mounted directly on the wall. Personally, I never got a Lexmark printer to work doing this, but this is in the manual. If this won't help, and the printer is under warranty, you should log it in with the servicing company.

If the printer is out of warranty, your next option is to change the fuser which costs around $300, so I think you would be better off getting a new printer unless you find a second hand one on Ebay.

Feb 09, 2011 | Lexmark Optra M410 Laser Printer

1 Answer

922 service fuser error


  • 921 Fuser Error and 922 Fuser Error messages indicate that the fuser unit failed to reach the standby temperature.
    • If this is the first time you have seen the error, turn the printer off and on. Leave the printer off for at least 10 seconds before turning it back on. This gives the printer's engine board a chance to reset.
    • If this is an intermittent error, you may want to check how the printer is plugged in, even if it has worked on this surge device for months. Make sure the printer is plugged straight to the wall and not through a surge device or power strip. Power strips and uninterrupted power supplies can cause a low amperage problem in your printer which can trigger a false fuser error.
    • If this does not help or if this error appears every time the printer is powered on, you will probably need service on the machine.

    Nov 10, 2010 | Lexmark T522 Laser Printer

    1 Answer

    921 service Fuser error


    921 Fuser Error indicates that the fuser unit failed to reach the standby temperature. Leave the printer off for at least 10-15 seconds before turning it back on. This gives the printer's engine board a chance to reset. Make sure printer is plugged in straight to the wall, bypass any surge device or power strips as this can cause a low amperage problem in your printer which can trigger a false fuser error. If this does not help, you'll probably need service on the machine since it deals with the LVPS, the fuser and the system board.

    May 19, 2010 | Lexmark Optra M410 Laser Printer

    1 Answer

    We have an Optra M412 that has a 921 Service fuser error. We don't know where to find the fuser


    Service Fuser Error appears when the fuser does not warm to the required temperature. For this error on this Lexmark model, the manual states you should power off the printer and power it back on, and if it is not plugged into a wall power point, change it to a power point mounted directly on the wall. Personally, I never got a Lexmark printer to work doing this, but this is in the manual. If this won't help, and the printer is under warranty, you should log it in with the servicing company.

    You can find the fuser at the back of the printer, remove the cover and there it is. It holds in two screws and a power connection. If the printer is out of warranty, your next option is to change the fuser which costs around $200, so I think you would be better off getting a new printer unless you find a second hand one on Ebay.

    Sep 19, 2009 | Lexmark Optra M412 Laser Printer

    1 Answer

    "922 SERVICE FUSER ERROR"


    920, 921, or 922 Fuser Error:
    The printer thinks the fuser unit is not heating up to the correct operating temperature. This can be due to a bad fuser lamp or possibly no power getting to the fuser unit. As a customer, the only other thing you can do is to check the connections on both the fuser unit and where it goes into the printer. Make sure neither connection is damaged. If you are a technician working on the printer, you can check the voltage coming off the system board and Low Voltage Power Supply (LVPS) to make sure power is getting to the fuser unit.

    Don

    Jun 04, 2009 | Lexmark T520 Laser Printer

    1 Answer

    Re: 4037 5e lexmark laser printer printer is showing 921 service what does this mean and how do i fix it


    Here's some info:

    921 Fuser Error and 922 Fuser Error messages indicate that the fuser unit failed to reach the standby temperature.
    • If this is the first time you have seen the error, turn the printer off and on. Leave the printer off for at least 10 seconds before turning it back on. This gives the printer's engine board a chance to reset.
    • If this is an intermittent error, you may want to check how the printer is plugged in, even if it has worked on this surge device for months. Make sure the printer is plugged straight to the wall and not through a surge device or power strip. Power strips and uninterrupted power supplies can cause a low amperage problem in your printer which can trigger a false fuser error.
    • If this does not help or if this error appears every time the printer is powered on, you will probably need service on the machine.

    Oct 16, 2008 | Lexmark Office Equipment & Supplies

    1 Answer

    I have a Lexmark Optra M410 and I have an error message which reads "921 Service Fuser error". What should I do?


    Looks like a hardware failure. Googling "lexmark optra m410 fuser" it appears you can buy a new one for around $100, but I don't know how difficult it is to install. A call to Lexmark tech support couldn't hurt.

    Sep 10, 2008 | Office Equipment & Supplies

    1 Answer

    Error 921 fuser


    This indicates that the fuser isn't heating up enough and is too cold. Either the thermistor, bulb, or power supply is on the fritz. I would replace the fuser if I were you.

    Jan 23, 2008 | Lexmark Optra M410n Laser Printer

    1 Answer

    ERROR


    921 Fuser Error Indicates that the fuser is below standby temperature when the printer is idle.
    Error codes 920, 921, and 922 may display for a cold fuser failure. A 920 error caused by low line voltage can sometimes be cleared by turning the machine off and then on again.
    Service Tip: Set the Fuser Temperature to NORMAL before starting this service check.
    Manually spin the fan and check that
    it rotates freely. Check the cable
    connection to the engine board, J13
    for correct installation.

    Jan 23, 2008 | Lexmark Optra M410 Laser Printer

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