Question about Brother MFC 6800 All-In-One Laser Printer

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Makes grinding sounds & usually prints blank

Worked fine until I changed the toner. Now it usually makes grinding sounds and prints blank, but sometimes prints normally. Any ideas? thank you

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Re: Makes grinding sounds & usually prints blank

Changing the toer cartridge completely fixed the problem. I returned the defective genunie Bher toner. thak you!

Posted on Aug 14, 2007

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Re: Makes grinding sounds & usually prints blank

Try new toner cartridge, or even the old one if you still have it. Check if the grinding noises go away.

Posted on Jul 06, 2007

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Symptom: Grinding sound.

This could be either your drum cartridge or your fuser unit.

Take your toner cartridge out and look right up front where the drum cartridge empties 'waste toner' back into the toner cartridge.  There's a little flap there that slides back and forth on the very end.  Slide it back and see if toner is packed in there solid.  If so, vacuum it out.  Then you'll have to replace that drum.  Sometimes you can salvage them by cleaning out all the waste toner, but usually the gear in back has already stripped and it's no use.

If everything looks fine with the cartridges, it's probably the fuser.  You can buy a new one here:

The fuser is that part of the machine that gets real hot.  If you open the right side door, it'll be right close to the top.  There are usually 4 screws holding it in place.  If you take those screws out, you should be able to hold it away from the machine while it's running (you'll have to cheat the door).  If the grinding stops as soon as you pull the fuser away, that's probably your problem.

Let me know if any of this sounds too technical.  eric AT

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Thank you Krissy! I had the same problem with the horrible grinding noise.

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I had the same problem with the loud grinding sound. The gears on the cartridge(s) is not turning but rather stripping creating a grinding sound. Reinstall all of the toner cartridges. If that doesn't work, pull each cartridge out and manually turn the gear on the cartridge. If the problem persists, you may need to purchase a new toner cartridge.

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