I haven't used the K7 ink printer for maybe 5 days.
I decided Sunday would be my "Printer Nozzle Check Day" for 4 different printers.
So I ran "Nozzle Check" for the Selenium K7 Epson 3880 unit and two nozzles were not working right after 5 days of non-use: The Matte Black and the Cyan (Second most dense black?) were not firing right.
I ran the new Qimage's Unclogger pattern routine (I'm using Windows 8.1) and it printed out a normal pattern. Also, fwiw, the other 3880 using Cone Dye inks showed a good pattern and no nozzle clogs at all after almost a week of non-use.
Back to the K7 3880, it still shows the same two MK nozzles (stagger formation) showing nothing as was the first prior to the Qimage unclog pattern run, and same one in the Cyan showing a blank as well. The blanks are in exactly the same place both prior and after the Qimage unclogger run. Guess I will let it sit for a day and run the Nozzle Check again and maybe a Cleaning routine and see if those two inks regain the pattern.
Right now I am somewhat fearful the Photo Black may also be clogged as well if the Matte Black is clogged - if that is how the Epson works. Not crazy about doing a wasteful ink switch unless necessary.
So how often should I check these and should I also run some sort of Matte as well and Photo Black ink check?
Did a Matte > Photo Black nozzle check. Same two nozzles in the Matte & Photo Black stagger line are missing, as well as the same one in the Cyan ink cart's stagger line. Puzzling, and I don't know if it is a full blown head failure or just some nozzle clog since it is always the same spot in the nozzle check pattern?
Problem solved. Dried ink in the MK/PK head, and same for Cyan head as it was in same spots for each nozzle check.
I put some head cleaning solution on the capping station sponge where the head parks when off, maybe 8ml out of a 10ml syringe. Prior, I let the head sit in the middle of the printer over a place where I dropped maybe 2-3ml of cleaner onto that sponge used for catching borderless ink spray for maybe 30 minutes. I then turned it back on and off so it parked over the capping station that had the cleaner put into its two sponges. Three hours later and nozzle check is all good again. Yay!
Maybe fumes of the cleaner or the Qimage "Unclog" print image routine did the trick? Don't know which, but at least the problem is solved now.