imageCLASS MF455dw Top tray prints OK on one side, all black on other

[choymanzano1]

Hi Good Day, I'm trying to get some help. When I try to use the top tray on my Imageclass MF455 DW Printer to print back and front, I side print good and the other side comes out fully black. The other side of the print is completely blacked out. Can I get some help in solving this