I will get the error 93-536-00 Upper umbilical is heating too slowly
on my colorqube 9301, I´ve check the Heating Temp. but the upper printheads, will not heat up, very well
I´ve allready Change the Marking unit heater PWB


is the Problem from the 2 lines from the Ink Reservoir to the upper heads ?
now I have order the 604K54972 Umbilical kit

any hints ?

thanks
Paul