Thanks Dacurve for your quick reply.
The fault is not the belt jumping teeth. The drum motor is actually oscillating about 15 degrees each way at about 25 htz. This happens momentarily before printing and for about 2-3 seconds justafter the last page of a print job completes.
Hi,
My 840 is making a loud buzzing noise after the print job ends. The printing is OK and there are no error messages.
I removed the cover and observed that the motor driving the print drum is oscillating causing the noise. Is this fault caused by the motor or the supply. (Or anything else??)...
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