Hi. Recently i found out that the model of ir8070 probably got touch screen problem. Im not sure either its touch screen problem or other hardwares causing the touch screen mulfunction. In my place several of this machines ir8070 the touch screen cannot be press but other than touch screen, numbering button all working good. It still can run if we press start button and select the number of copies to make just the touch screen mulfucntion. the weird thing is it only happen on ir8070 only and it happen on several of this machines at once within a month. We already changed other touch screen from other models and it still the same problem even we changed whole control panel that including the touch screen. Service mode, touch-chk already done also. Its really the hard time to operate the machine without the touch screen 
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