I have this printer (HP LJ 4000 N) that has a grindding noise, located fault in the general area of the gear shaft with tranfer belt. Can anyone steer me in the right direction?
The printer is 2 years old and it's in the middle, when I open the right side panel and turn the motor manually I get this clicking sound, when I turn on the printer I get this gridding noise.
First thing to try is a different toner cartridge. Then check the drive assembly for obstruction or a broken gear.
And finally if you are able, remove the fuser assembly and inspect it.
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