After reading your awful experiencie and because I´m willing to buy a second hand Epson 3880, in your opinion, what should I look at very carefully when I have a second hand Epson 3880 in front of me? Should I make a nozzle test? Printhead test? Any suggestions will be very welcome.
If you are considering a used Epson 3880, you should make sure the printer works, determine how much useful life it has left, and make sure you are getting a reasonable deal compared to a new unit.
To verify current operation, you want to see both an automatic and a manual nozzle check. All nozzles should be working. If there are cloged nozzles, they may be fixed with a simple cleaning, or you might run through a hundred dollars of ink without success. Make sure all nozzles work before buying.
You should also print a selection of your typical photos to make sure that the printer is working overall.
My understanding is that the Epson Style Pro 3880 has a rated service life of 5 years, 12,000 A2 sized (about 16"x20") pages, or 1.6 million carriage movements. Whichever comes first. To determine the expected remaining life you need to see a printer status sheet, which lists total pages printed. You should also ask when the printer was first put into service, so you know how much of the 5 year service life is left. Obviously, some printers will last much longer than the rated life, and some won't.
To determine a fair price you need to keep in mind that a new 3880 is currently running about $900 after rebate. A new printer includes a one year warranty, and about $450 worth of ink. About 20% of that ink is used in the initial ink charge of the system. The way I look at it, a brand new Epson 3880 print engine costs about $450, and comes bundled with another $450 worth of ink ($900 total).
To be fair, about 20% of that ink is used in the initial setup of the printer. Once the printer has been setup, there is only $360 worth of ink in cartridges, and $90 worth of ink in various tubes and waste tanks.
Thus, a used printer, with empty cartridges should be worth less than the new price of $540 ($450 for the print engine, $90 for the ink charge). Add to this the value of any ink remaining in the cartridges, or in cartridges bundled with the printer. You can get a rough estimate of the remaining ink in each cartridge from the status page.
Keep in mind that Epson says that ink should be used with 2 years of manufacturer, or with 6 month of being opened (whichever comes first). Many people report that there are no problems exceeding these limits. The status sheet will give you the expiration date for all installed cartridges, as well as how long they have been in use.
Good luck with your purchase. The 3880 is a great printer and produces excellent results.