My brother DCP_7040 has been making loud clicking noises for sometime and will not print I get out of paper message. (It's full of paper.
Check there is nothing in the fuser at the back, and that the fuser will turn (CAREFUL it may be hot) Pull the drum and toner unit out, and separate the two components. Check the Developer roller on the front of the toner cartridge turns smoothly and quietly. Any noise is bad. Check the cylinder in the drum unit also turns smoothly. (turn it with the gear, don't put fingers on the cylinder itself). Put it all back together and listen for noise when the machine winds up. a loud ratchety noise usually indicates the gear train is under too much load and is often caused by a strain on the drum rotor.
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