sorry to inform the OP.........IT IS YOU NOT THE PLOTTER THAT IS DIS-FUNCTIONAL)))))
I CAN SAY THIS.....BECAUSE:
i have owned nothing but ROLANDS since 1993!!!!!
PNC-1000, 2-PNC-1100, & AND CX-300!!!!! if you learn how to load the material, pre run it forward, and then roll it in reverse on...