Working on a MX-2640, The customer has had the machine for about 4 months. BW count is 1627 color is 608, first time out the customer complained about a noise coming out of the fuser. We checked it a noticticed that the web unit was not advancing and and the noise was coming from the fuser roller rubbing on the toner collected on the web cleaning roller, so we replaced the fusing unit under warranty. The noise went away for awhile then they just called us up and said it had returned. The same thin happened again. The fuser motor seems to run fine and the pressure release also works, we ran sim 43-31 and it completes just fine. Anyone elso having problems with the fusing units and what to you recomend to fix it.
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