I left my fine functioning Epson 9800 pro, sat unattended, for a long time.
Most ink cartridges are “ SMS” exp 2018.
I am trying to get it back to work. The first print i did , when it turned on; printed mainly 2 colors : Light magenta & light grey.
Printer functions seem to operate normal; so far, I’ve replaced 4 cartridges with brand new Epson ink .
I’ve noticed some of the ink tubes (LC, LK), have air in them.( long air pockets ( 1 ft) I did some Paper towel soaks under the head carriage, an Init Fill; many nozzle cleans; But results did not improve.
It prints a faint light grey image with gaps of white horizontal lines.Nozzle print tests show no image.
What will be the right steps towards a repair plan of action?