Question about Kyocera FS-3900DN Laser Printer

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7410:0111301 The printer power on and say this error on dispaly.

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Most probably the drum unit has shifted slightly out of position. Remove the toner/process unit, open the cover on the left side of the machine, Remove the waste toner bottle. You will see a grey release button for the drum unit, press it in, slide the drum unit out a couple of inches and slide it back in firmly so that it seats and clicks in completely. Reinstall removed parts. Should be good to go.

Posted on Mar 10, 2014


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Posted on Jan 02, 2017


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If this does not work place a service call.
Power printer on and off. Make sure you power OFF the printer before powering OFF the Controller, and power ON the printer before you power ON the Controller.
  1. Power OFF the printer. The power switch is located directly to the left of where the power cable enters the machine.
  2. If you have a Controller installed, power OFF the Controller. Not all printers are equipped with a Controller. The Controller power switch is located just above the power switch.
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  4. Power ON the printer.
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the cost of it is to high
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Pls vote me to keep me alive

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