Question about Brother MFC-6890CDW Printer

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Brother mfc-6890cdw won't turn on. No power at all. Is there a fuse?

No power at all. Is there a fuse?

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I would imagine their is a fuse inside somewhere ,open it up and look around where the power cable comes in but first pull the power cable out and check for power on the end with a multimeter

Posted on Feb 14, 2012


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Posted on Jan 02, 2017

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SOURCE: is there a reset or fuse to restore power on a brother MFC-7820N

yes, there is a fuse, two actually, inside the unit. My 7820N died after a power surge. here is how I fixed it.

unplug the power cord
raise the glass/ feeder assembly
open the front cover and remove the toner cartride.
Remove the phillips screw on the right side of the printer (same side as the power switch)
open the back paper path cover and remove the phillips screw
Flip the printer on its side and using a small screwdriver, press in the tabs that hold on the side cover. as with everything plastic, be careful since things break easily.

Once the side cover is off, remove the screws holding down the large metal cover over the power supply
Remove the screws holding the circuit board.
remove the three connectors on the front side of the board and flip it around.

By the time you have reached this point, you have probably noticed little pieces of fuse and MOV scattered around the inside of the unit, assuming you had a good power spike.

The fuse that blew for me as a 4 amp, fast blow fuse. It is soldered into the circuit board. I unsoldered the ends of the fuse that remained and soldered in a new 4 amp 5x20mm fast blow fuse. the MOV was also blasted, but I didn't have one of those to replace it and you can't get them at Radio Shack. I'll just plug it into a surge suppressor which will accomplish the same thing.

After reassembling, I was back in business.

Posted on Mar 02, 2009

  • 133 Answers

SOURCE: Brother MFC (4420C) power fuse replacement?

it will just too expensive for replacing the fuse,
just go buy another printer will be the best for you.

Posted on May 23, 2009

  • 68 Answers

SOURCE: Brother MFC 250C has no

For general troubleshoot of any no power device is always just:
Try a different power cord (these cords are all the same, you can use a standard computer cord)
Try a different power outlet (no surge protector, direct to wall to a known working outlet)

If it still gets no power at all the the power supply has probably gone bad and will need to be replaced.
If the machine is out of warranty however the cost to repair it will probably be more than the cost of replacing the unit with a new one.

Your best bet would be to call around your local printer repair shops and see if they have any of these models on hand as spare part donor machines.

Posted on Jun 11, 2011

  • 1157 Answers

SOURCE: Brother MFC 8460n paper pickup

Hi tkennedy0720,

Please follow these steps to assure you have made sure there is no jam.

1. Press the cover release lever to open the front cover.

2. Take out the drum unit and toner cartridge assembly.

3. Open the back cover.

4. Pull the tabs at the left and right hand sides toward you to open the fuser cover (1).

5. Using both hands, gently pull the jammed paper out of the fuser unit.

6. Close the back cover.

7. Put the drum unit and toner cartridge assembly back in the machine.

8. Close the front cover.

9. Press the cover release lever to open the front cover.

10. Take out the drum unit and toner cartridge assembly.

11. Hold down the lock lever on the right and take the toner cartridge out of the drum unit. Take out the jammed paper if there is any inside the drum unit.

12. Put the toner cartridge back into the drum unit until you hear it lock into place. If you put it in properly, the lock lever will lift automatically.

13. Put the drum unit and toner cartridge assembly back in the machine.

14. Close the front cover. Pull the paper tray completely out of the machine. Use both hands to slowly pull out the jammed paper.

15. Press the cover release lever to open the front cover.

16. Slowly take out the drum unit and toner cartridge assembly. The jammed paper may be pulled out with the toner cartridge and drum unit assembly, or this may release the paper so you can pull it out of the paper tray opening.

17. Put the drum unit and toner cartridge assembly back in the machine.

18. Close the front cover.

20. Put the paper tray firmly back in the machine.

21. Take out any paper from the ADF (automatic document feeder) that is not jammed. Open the ADF cover. Carefully pull out the jammed document to the left. Check for and remove any small pieces of paper stuck in the machine. A small piece of paper stuck in ADF will cause a document jam.

22. Close the ADF cover. Press Stop/Exit. If the Document is jammed under the document cover. Take out any paper from the ADF that is not jammed. Lift the document cover. Pull out any jammed documents to the right. Again, carefully check for and remove any small pieces of paper.

23. Close the document cover. Press Stop/Exit. If the Document is jammed at the output tray. Take out any paper from the ADF that is not jammed. Pull the jammed document out to the right.

24. Press Stop/Exit. If the Document is jammed in the duplex slot (only for machines which support Duplex printing). Take out any paper from the ADF that is not jammed. Pull the jammed document out to the right.

25. Press Stop/Exit. Make a Copy to test. Before placing your document(s) in the ADF verify the error message "Document Jam" in no longer displayed on the LCD. If the error message continues to appear on the LCD, please contact Brother Customer Service from "Contact Us". Verify the ADF document support (located on the top of the ADF) is pulled out. Verify the document(s) are between 5.8 to 8.5 in. wide and 5.8 to 14in. long. Make sure the documents are inserted face up in the ADF, top edge first. The ADF can hold up to 50 pages and feeds each sheet individually. Use standard 20 lb (80 g/m²) paper and always fan the pages before putting them in the ADF.

DO NOT use paper that is curled, wrinkled, folded, ripped, stapled, paper-clipped, pasted or taped. DO NOT use cardboard, newspaper or fabric. Make sure documents written with ink are completely dry. Adjust the paper guides to fit the width of your documents. This ensures the document(s) will feed straight, preventing jams. Make a copy listed below:
For MFC users :
Press Start.
For DCP users :
Press Copy located below the LCD and then press Start.

Hope it helps.

Thank you for using FixYa.

Posted on Jul 06, 2011

Daniel S
  • 4323 Answers

SOURCE: I have a Brother MFC


This issue is occurring due to replacement of genuine cartridge with a refilled/ remanufactured cartridge. To resolve the issue release all the cartridges from the machine and clean all the sensors with a Q tip dipped in isopropyl alcohol and dry the area with it and let the alcohol evaporate. You will also notice that the refilled/remanufactured cartridge is leaking but not the other genuine cartridges. When the ink is spread on the sensor it will not detect the cartridge. Now install them one by one. When LCD ask you to verify that it was a brand new cartridge say yes for the genuine cartridge and no for the refilled/remanufactured one. Hope this helps...please post back for further assistance.


Posted on Jul 23, 2011

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