The printer or the drum/toner unit may cause the grinding or clicking noise.
Power off the printer and open the front cover.
Remove the drum/toner unit and close the front cover.
Power the printer back on.
If the grinding or clicking noise dose not occur when the drum/toner unit is removed from the printer, then the drum/toner unit is the cause of the noise. Install a brand new drum unit and/or toner cartridge may be necessary to stop the noise.
If the grinding or clicking noise still occurs with the drum/toner unit removed then this indicates a problem with the printer. Please contact your dealer or authorized service center for assistance.
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