Probably best to ask in Photoshop
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The printer driver for your printer has a serious problem (bug). Resetting Photoshop's preferences may help, by removing the last used printer settings (which the driver can't read for some reason).
But you need to contact the printer manufacturer and see if they have driver updates to fix the bugs in their driver code.
Maybe the site is not as clear as it could be?
Good of Chris to be constructive.
I reinstalled both Photoshop CC and the Epson Printer software... and the error continued!! I am absolutely befuddled.
Printer works fine if I use another programme such as Word.
Is there some sort of memory file I need to track down and delete? The errors even remember the command to use a rear tray... before crashing!
Weird or not?