My C84 is now in the loft and an Epsom R300 chugs out the stuff.
From buying the C84, The First printer I brought home, went straight back due to no (Epsom Original Cartride) Yellow, printing. The second one did print ok...but I then changed over to JETTEC (they advertise on TV now) and all worked excest Yellow...So I bought then another Epson Original. Yes it worked OK..My tame Computer Repairer when I went in to see him ...I was now thinking of committing suicide or buying another printer told me that there was a design fault (!!) on the Epsom C84...Something to do with the yellow ink(!!)
Take my advice cut your losses and get an all-singing, all dancing R300....You know it makes sense.