3880 banded gloss optimizer and bizarre nozzle check


#1

From QTR, prints are fine.
Second pass for GO coats the print but also gray ink bands.
If you run a nozzle check the cyan output is, well, odd.
Not clogged but excess information…

3880, old style large cartridges ,

K-7 MPS


#2

This is very weird. I suggest you update the firmware and test again.

-W


#3

It has worked for years…
All of a sudden this is what I’m getting…


#4

It really looks like some sort of NVRAM or Firmware corruption to me. Something possibly in the head control board even that is determining voltage to the head.

-W