Hi guys,Today we got broken Epson PRO WT 7900 and he showing replace all ink catridges(there is X on all ink catridges).When we open right/left cover and remove just one ink on the lcd status of ink show correctly, if I return ink to slot again message replace ink catridges appear.Ink s are OEM and brandnew.Sometimes we get error1439.Any suggestions will be helpfull.