This disclosure relates to the field of improving the interaction between human and machines.
Machines are not able to detect in real time the length left of the media roll installed.
Currently, in most of the systems the operator of the unit selects the media roll that has being installed.
Then the unit relate the media installed with the length expected of this roll.
This is a solution valid for new media rolls. However, for media rolls already partially used. This solution
does not work. In this case, it is impossible for the machines to know in real time the length of the media
In this disclosure a solution for this problem is explained. This disclosure is proposed to have a way of
control the length of the media roll in real time in any kind of machine.
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INC, HP, "AUTOMATIC MEDIA LENGTH DETECTION", Technical Disclosure Commons, (March 24, 2022)