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Fusing unit replacement - Konica Minolta bizhub C250 All-In-One Laser Printer

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Error cs548 in ricoh mp c4500

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.

Jul 14, 2014 | Gestetner DSm645 Digital Imaging System

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My microwave isnt working no display have changed fuse but still no sign of life

First check is the main fuse of the unit. On countertop units, you will need to take the shell off. The fuse will be close to where the cord comes through into the unit. OTR units, this main fuse is usually behind the control panel or possibly behind the vent. Usually the fuse is obvious if blown, otherwise test with an OHM meter, if open, replace fuse.
Some brands will also have a thermal cut-off fuse in the incoming voltage line to the control board. Older Maytags and Samsungs have this fuse in it. This thermostat looking fuse is usually above the oven cavity somewhere under the outside shell. Sometimes you can get to it through the vent of OTR models. Test with an OHM meter, replace if open.
but can not program unit, Touchpad dead If you have a stuck key or non-responsive key, most of the time you will have to replace the keypad for this microwave oven repair. If your keypad is connected to your control board by a flat ribbon wire, try disconnecting it and clean the silver contacts with an ordinary pencil eraser. After cleaning, plug it back in and try it. If it doesn't fix it, replace the keypad unit. Some units actually have keypad tests to confirm your diagnosis of a bad key.
If your keypad and control is the same unit, replace that unit. Another note, unlike stove/oven keypads and controls, most microwaves do not have error codes or tests to distinguish whether it is truely the keypad or control. Most of the time, it is the keypad that needs replacing, but a small percentage of the time it can be the control. Check the tech sheet if they can point you to the right part.
God bless you

Apr 02, 2013 | Microwave Ovens

1 Answer

BizHub c352. Message reads replace transfer unit. It has only gone thru one cycle and I remember that a tech resest it one time before replacing it with this one. I have read about the pulling the unit...

Yes you can reset the transfer unit counter by replacing a fuse in the transfer unit. You must have the proper fuse. There is no way to reset it using the service mode or key sequence. When the transfer unit is re-installed with a new fuse it resets the counter and then the fuse is blown. Deoending on your location I can maybe offer you a source for the part or we can reset the code for you.

Oct 20, 2011 | Office Equipment & Supplies

1 Answer

My central air unit has stopped working. The outdoor fuses were blown and we replaced them but it still wont turn on

If the outdoor fuses blew, it is usually for a reason.. There may be an electrical failure in the unit itself which caused this. Most AC units have fuses in the indoor unit as well, but I would suggest getting a Tech to trace the reason the fuses blew in the first instance. Replacing blown fuses sometimes works but a lot of thime, more damge is caused to the unit. You usually know this when the unit goes "bang" and the fuses blow again when turned on...

Jun 16, 2011 | Amana Heating & Cooling

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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.
  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.

Feb 02, 2011 | Brother IntelliFAX 4750 Plain Paper Laser...

1 Answer

I have bizhub c250 and the 83000 prints (copies). My Fuser unit show empty and I can't use my bizhub c250. it should be replaced on 120 000 copies. How to reset this fuser unit on my printer?

You can reset the fuser counter only by replacing the counter reset fuse. This fuse is located on the fusing unit which must be removed and a small cover opened to get access to the fuse. You ca get the fuses from
Their part number is M9970. It will say imaging unit fuse but the fuse is the same for the C250 fuser reset.
If you do not feel that you can remove the fusing unit and replace the fuse then you might be able to find a local independant copier repair person to do it.
Be assured tho that you can reset this indicator as I have done this a dozen times or more for my customers.
Good Luck and Thank You for using Fixya.

Nov 04, 2010 | Office Equipment & Supplies

1 Answer

My Ricoh 388 is in need of replacing the fuser unit which we just replaced months ago and are very expenseive. Is there a way to fill the oil only in the fuser unit instead of having to replace the entire...

Unfortunately, on the AP3800C the oil supply unit is part of the fusing unit. However, you can purchase just the oil supply portion of the fusing unit and replace that (part #G0604022).

I'm not sure how much that would cost, but it's got to be cheaper than a whole new fusing unit.

Jul 11, 2010 | Ricoh Aficio AP3800C Laser Printer

1 Answer

Can i reset my Konica Minolta C250 transfer unit and fusing unit?? Is there a chip reset that I can buy for the transfer unit and fusing unit? I just purchsed the resets for the image units and they worked...

On your transfer unit there is a .80 amp fuse you can replace. this will reset your belt. make sure you use .80 amp or it will not work. on your fuser there is an inline 1/16 amp fuse next to the plug you can replace for that.

Sep 30, 2009 | Konica Minolta bizhub C250 All-In-One...

1 Answer

Using Convection Oven and lost power Sharp R-7A85

Replace fuse with slo blow from Ace Hardware. Plugged unit in, clock worked. Turned unit on and immediately blew new fuse. Will fix it with a new unit.

Mar 21, 2009 | Sharp R-7A85 Microwave Oven

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