PIXMA E3470 Paper Jam but there is no paper

[Marahbells_15]

So I have a printer PIXMA E3470 and the screen of it saying P26 so I follow the simple method way that I need to press and hold the power on/off and the stop button then press the stop button 4 times then it work but the probem is that I cant connect it to my computer because it saying E39 so I tried to do a xerox but when its about to print in the mid point it stop so I press the stop button then turn the printer off and turn it on for 20 seconds then it show again the P26 so I use again the method then it said E03 which is paper jam when it doesn't have a paper in sheet feeder can someone help me? and also its m first time to encounter this.

[Arthur]

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