Electrical canon ir 6570 5070 5075 total dead help help.............

I have three machines with the same problem ir 5070 5570 & 5075 initially issued a code E004 engine, but now when the green lever on my Rev 1 unit, electric die in my store all ........!!!!
when I unplug the cable j130 on dc control canon ir 5075 engine life while releasing code ....... can you help me solve this problem ............... thanks .... .........:(:(:(:(