This code is the result of a malfunction of the parameters of quality, can be ETAC, BELT, box finds at last the moment you are doing the 951 it gives you a message in which the equipment component to this issue, verify that the message had been easier to solve.
HP does not know any that does this type of product.
I've had experience in two of Xerox equipment, a DC5000 (color), and DC9110 (monocolor), but these devices can produce this product.
First step, check the useful life of the pipe,
Second step of cleaning coals located in the cylinder of the pipe.
Third may be the self bias propio pin located inside the cylinder of the PIPE.
I think the most viable is to do normal printing, and then complete the finishing of the product.
Since the substrate is not flat, digital machines that work with fusion comes around 240 degrees temperature, it can happen silicone sticking to the drum or other machine.
But if you have...