Question about Ricoh Aficio AP3800C Laser Printer

2 Answers

Fusing unit is not set properly

I replaced the fusing unit and when I turn the printer back on, I get this message : "Fusing unit is not set properly". Any idea ?
The old one and the new look the same... I don't see what is wrong.
There was a message in the box : "Donot turn the blue dial at the side...". I didn't turn it.

Posted by on

  • marcv Nov 19, 2007

    I don't know the purpose of this blue dial. Why Turning it is "bad" ? Id didn't know there was a fuse, where can i find it ?

  • marcv Nov 19, 2007

    I don't see any "0". I see only "B3" written on this side. I tried putting it in the same position as the old fusing unit but no change.
    I tried several times to put the old one than to put the new one, and always the old one is working and the new one is not.

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2 Answers

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Possibly the dial was turned..try replacing the fuse, if problem still exist contact the manufacturer or take it back for a replacement.

Posted on Nov 19, 2007

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Turn the printer off and reinstall the unit after it has cooled off (30 minutes). Then open cover B and D. Remove the fuser unit, then reinstall it properly. Close covers D and B. The error clears automatically if the fuser unit is properly installed.

If the error is not cleared, the fuser unit is out of order. Replace it with a new fuser unit.

Posted on Nov 19, 2007

  • shivam raj
    shivam raj Nov 19, 2007

    it is recommended you
    set the blue dial to the “0” position

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Error cs548 in ricoh mp c4500


SC548
Fusing unit rotation error

The fusing belt sensor does not detect change in the actuator for 0.5
seconds after the fusing/paper exit motor has turned on.
* Defective fusing/paper exit motor
* Deformed actuator for the fusing belt sensor
* Defective fusing belt sensor
* Broken connection between IH inverter and IOB
* Incorrectly set fusing unit
1. Check if the fusing unit is correctly set.
2. Check or replace the actuator for fusing belt sensor.
3. Replace the fusing belt sensor.
4. Replace the IH inverter.
5. Check the connection between IH inverter and IOB.

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How do I replace a Fuser ?


Sir/Madam

The Problem Is Very Simple ,You Need To Follow Few simple Step To Fix This Issue

  • Turn off the machine's power switch. To avoid injury, wait until the machine has cooled down sufficiently before you replace the fusing unit.
  • Open the back cover (1) and the scanner unit (2) of the machine.
  • To release the fusing unit from the machine, release the lock levers that are on both sides of the fusing unit.
  • Hold the handles on both sides as you take the fusing unit out of the machine.
  • Put the new fusing unit into the machine. Be sure to insert the fusing unit completely into the machine.
  • Secure the fusing unit with the two lock levers that are on both sides of thefusing unit.
  • Move the fusing unit pressure release levers to the Set position.
  • Close the scanner unit and the back cover.
  • Turn the machine's power switch back on
  • Press the Menu/Set key.
  • Press the up or down navigation key to select Machine Info. and press Menu/Set.
  • Press the up or down navigation key to select Reset Menu and press Menu/Set.
  • Press the up or down navigation key to select Fusing Unit and press Menu/Set. The confirmation message appears on the LCD.
In case You Need More Help Then Go To Official Brother Printer Help Page Below:

http://welcome.solutions.brother.com/BSC/public/eu/eu_ot/en/faq/faq/000000/000000/000021/faq000021_002.html?reg=eu&c=eu_ot&lang=en&prod=mfc9420cn_all

Or If You Still Facing Problem Then Follow Us On:
Brother Printer Support

Jan 08, 2014 | Brother HL 2270DW Laser Printer

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How do I replace the brother fuser?


    The fusing unit and the parts around it are hot! Be sure to wait until the fusing unit has cooled down sufficiently before replacing the fusing unit. If you touch the hot parts, you might get injured.
asl4c_u_g038.gif
  1. Turn off the machine's power switch. To avoid injury, wait until the machine has cooled down sufficiently before you replace the fusing unit.

  2. Open the back cover (1) and the scanner unit (2) of the machine.
  3. asl4c_u_g090us.gif
  4. To release the fusing unit from the machine, release the lock levers that are on both sides of the fusing unit.
  5. asl4c_u_g059.gif
  6. Hold the handles on both sides as you take the fusing unit out of the machine.
  7. asl4c_u_g056.gif
  8. Put the new fusing unit into the machine. Be sure to insert the fusing unit completely into the machine.
  9. asl4c_u_g057.gif
  10. Secure the fusing unit with the two lock levers that are on both sides of thefusing unit.
  11. asl4c_u_g058.gif
  12. Move the fusing unit pressure release levers to the Set position.
  13. asl4c_u_g0591.gif
  14. Close the scanner unit and the back cover.

  15. Turn the machine's power switch back on.

  16. Press the Menu/Set key.

  17. Press the up or down navigation key to select Machine Info. and press Menu/Set.

  18. Press the up or down navigation key to select Reset Menu and press Menu/Set.

  19. Press the up or down navigation key to select Fusing Unit and press Menu/Set. The confirmation message appears on the LCD.

  20. Press 1 to reset the life counter.

  21. Caution
      Please be careful when replacing the fusing unit. Do not put pressure on the fusing unit; it should go in easily. If it does not, make sure the fusing unit connector is free to move.
      Do not apply force! It could damage both the fusing unit and the machine.

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http://www.ricohpr.com/


Here is the location for the manual
http://www.ricohpr.com/about/awards/pdf/2006/Ricoh%20Aficio%20SP%20C411DN%20LTR%20%5B34246%5D%20Reprint.pdf

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The pressure roller
temperature changes by
±20°C or more in one second.
This occurs three times in one
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• Loose connection 2. Check if the pressure roller thermistor
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3. Replace the fusing unit.

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It is a fuser error.

Try resetting. To reset a Rank A error follow these steps:

1. Turn OFF the Main Power Switch.
2. Turn Main Power Switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and the it has been reset.
5. After turning off the Main Power Switch, turn it on again more than 10 seconds after and check if the machine starts correctly.
If the error recurrs then do the following:
1 Check the Fusing Unit for correct installation (whether it is secured in position).
2 Check the Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary.
3 Change Fusing Unit
4 Change PWB-M
5 Change PU1

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