On startup, during the short warmup cycle, while printing, and while occasionally cycling hen left on but not being used, the machine makes a really loud clattering noise -- sounds like the rat-a-tat-tat of a toy machine gun, only louder. Nothing is visibly rattling inside, and nothing can be heard rattling around when the machine is lifted. Printing performance is not affected at all -- it's fine. Toner is new (noise started before toner cartridge was replaced). Bottom metal plate of machine does not seem to be user-removable to check further. Any ideas?
-Open the Front Cover.
-Remove the Toner Cartridge
-Remove the Drum Cartridge
-Next locate the black gear attached to the end of the Drum and turn it with your fingers.
-Check to see if the gear is locked, or difficult to turn. The gear will only turn in one direction.
-If the gear won't turn at all, or if it catches while you are turning it, or if you hear the same noise when you turn the gear that you heard when the machine was on, the Drum Cartridge is the cause and will need to be replaced.
- If you need clarification, ask it in the comment box above.
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the loud clattering noise you hear is the main bearing it needs replaced.the main reason for the repair men doing a runner is its not an easy job and takes time and know how.if i was you i would get some estimates on this job,i would guess they will be high because no one wants to do it.Would you not consider a new machine???????anyway good luck.adrian,,,,
Hi Charlie, These machines have a history of growling, however usually they growl before changing the fuser. The fuser is most likely the problem maybe you got a bad one. If you still have the old one and it was quiet you could pop it back in to confirm. Ther is also a gear kit available to replace the fuser drive gears but usually the noise is in the fuser.
Another growling noise can come from optional tray3 if installed. Easy to diagnose just lift machine off the assm. and print.