Hi, i need some help , new customer call , first picture is fiery startup, second is a test no:19 from diag.Drum swap no effect, dev unit work fine on dc 252, any help? Thanks 95287546-9669-453F-89AD-529E5F202629.jpg54BC9BA9-DB6F-41FE-9F9B-27F8521A2A9D.jpg