Question about Samsung SCX 4521F All-In-One Laser Printer

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SAMSUNG Multifuction Printer-''Open Heat Error'' (SumsangSCX-4215F)

Please provide steps also on how i can go about removing / changing the Fuser Unit.

two days being trying to crack down ta problem
appreciate your help

Rgds
Basil

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Check the thermostat in the fixing unit. it may open due to over heat. replace it. clean thermister.if spoiled replace it also.

Posted on Feb 05, 2009

  • ravi sajja
    ravi sajja Feb 06, 2009

    remove rear cover.at the top there is the fixing unit. disconnect two connectors.( heater and thermister) unscrew the fixing unit.

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Samsung says you should send it in for service, and lists service locations. They also say the fuser typically dies after 50,000 pages -- 100 reams, which doesn't seem like -that- much.

You may be able to call a service center and see if they can help.

I did a search and found someone purporting to sell a service manual for $10; I don't know whether this person is credible and legitimate and legal.
http://www.tradebit.com/filedetail.php/3278061-samsung-scx-4521f-printer-complete-service-repair

You may try to see how much the service manual costs through Samsung itself.

Posted on Dec 05, 2008

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Hi,

First of all to troubleshoot this problem, please reseat the fixing assembly. To do this, please follow the steps below:

Reseating the Fixing Assembly
  1. Unplug the power cord from the wall outlet.
    unplug_power_cord.gif

    caution.gif
    The fuser unit and surrounding area can become extremely hot during operation. Perform the following procedure after the fuser unit has cooled down completely. Touching the fuser unit when it is still hot may result in burns.
    caution_fuser_unit.gif


  2. Turn the lock release levers located on the back of the machine in the direction of the arrow and release the lock.
    turn_locking_release_levers_on_back.gif


  3. Hold the grip on the fuser unit and remove it.
    hold_grip_on_fuser_unit_and_remove_it.gif

    caution.gif
    The fuser unit weighs approximately 3.3 lb (1.5 kg), and it is heavier on the back side. Be sure to hold the grip securely when carrying a fuser unit. Dropping the unit may result in personal injuries.
    fuser_unit_weighs_3_lbs.gif


  4. Hold the grip on the fuser unit and install it securely.
    install_fuser_unit_securely.gif


  5. Lock the fuser unit by turning the two lock release levers in the direction of the arrow.
    lock_fuser_unit_by_turning_lock_release_levers.gif


  6. Connect the power cord and all interface cables.


  7. Plug the power cord in the wall outlet to turn on the machine.



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Hi I asked about the CLX-2160 NOT the SCX-4100  I have had no replies yet
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Low voltage power supply


What is the error message you are getting with the new fuser. Is this the same error you were getting before changing the fuser? If you changed the fuser because the old one was just at EOL ( end of life) but did not give you an error, have you tried to reinstall the old fuser.

It is possible that the new fuser was damaged in shipping, or not properly seated.

If both the new and old fuser give the same error message, then yes, I would agree that the LVPS would be the next part to replace, however, if they have different errors, then you probably have 2 bad fusers ( or one that is EOL, and one that was received damaged).

Before changing the LVPS, make sure you follow the steps below prior to the LVPS steps.
as far as where to purchase it if you do in fact need one, you can always do a google and ebay search for "Dell 5100cn LVPS".

I can provide you with replacement instructions if it comes to that.

See below for the actual troubleshooting needed for the fuser.
The following steps are the troubleshooting steps that should be followed for error code 010 397.
First, the definition of the failure is <IOT Fuser Failure>, and means a Fuser Error is detected.

1) With power off, reseat the fuser by physically removing it from the printer, then reinstalling it and locking it in place. Turn the power back on. ( if the error is still present, proceed to step 2 ).

2) If reseating the fuser did not resolve the problem, Replace the fuser with a known good fuser.
( if problem is not resolved, proceed to step 3)

3) Replace the LVPS ( low voltage power supply ). ( if problem not resolved, proceed to step 4 ).

4) Replace the PWBA MCU ( printed wiring board assembly - machine control unit ).

END of troubleshooting.........

Oct 23, 2008 | Dell 5100cn Laser Printer

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