How to Solve Your Lexmark: X1270 "Paper Jam" Problem

I use Lexmark printer which model is: X1270. When I ON Printer  power button then, paper feeder roller rotate several times and shows "Paper Jam" Problem. 

Though, there is no paper inside the printer and power button blinking frequently. That's why I can not print anymore. After that, I found the solution which causes this problem. Let's solve the problem as following:

There is a spring adjusted in a barrier which block the U-sensor in idle mode. When paper insert in a feeder the barrier unblock the U-sensor for normal operation. When, spring loosen the barrier is unblock in idle mode which causes "Paper Jam" error.

 To solve the problem just tighten the spring and enjoy the printer.

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