It is master position sencor,take out your master roll,pull out your drum. Take a a4 paper and push it threw there were your master go in,roll the 3 rollers in front so that the paper go forward so you can see the paper inside machine and pull the paper out to the inside of the machine. Put every thing back,turn off machine and while you hold the reset button in,turn machine on again. let me know if it worked.
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It is master position sencor,take out your master roll,pull out your drum. Take a a4 paper and push it threw there were your master go in,roll the 3 rollers in front so that the paper go forward so you can see the paper inside machine and pull the paper out to the inside of the machine. Put every thing back,turn off machine and while you hold the reset button in,turn machine on again. let me know if it worked.