I didn't mention I did my printing on Arches bright white as I was out of reg Arches. I will have reg Arches Monday or Tuesday and will print the step wedges then. The ink I used was for the 7880 STS #E78P-220MBK. I was just looking for enough ink to play with. If you can give me a STS part # iI will order some Wihen when my retirement check arrives the 1st.
Kelly