It's Nice to deal with Pros

One of the reasons I buy high end, professional equipment is in the hope that, when things break, as they always will, the service rendered will be fast, accurate and professional. Sadly, it's been my experience that paying more does not always ensure high quality service. However, I recently had such superior service that I was frankly astounded, I think you will be too.
I use an Epson 9900 Professional series ink jet printer to print my large format landscape prints. It has been a reliable and ultra high quality machine for the past 5 months. Three weeks ago, I was preparing to print some images from the Antarctica expedition. I turned on the machine and the display read "Ink Cartridge Not Detected - Install Ink Cartridge" for the #9 or Green cartridge.Uh oh !
Being an engineer (I can fix anything - ya sure!), I ejected the cartridge and installed a new one. Same error. Time to call Epson.
Upon calling the Pro products technical support line, I expected the usual maddening...