Congratulations on keeping your printer working well past it's sell by date. My beloved iP 4000 was many retired years ago. I'm not going to dwell on monitor calibration because you are talking about the off color in the nozzle check. The two thin...
Do you have a Canon printer? For basic photo editing, the free My Image Garden software that came in the box is pretty good. If you have an older Canon printer, you can download it.