A:AnswerThe only way I could get the 2-sided copying to reset permanently was to go into the maintenance setting are reset the printer to default setting:
Home>Setup>RestoreDefaultSettings (all the way to the bottom).
You will probably have to reset the network settings afterwards, but not sure of that.
This printer is a Epson WF-2750 that is connected to the tower with a USB cable (not wi-fi)
A:AnswerHi CLT1947, Select Copy on the ET-2850's front control panel. press the OK button to see Copy Options. Press the down arrow to see individual copy options. When you see the Reduce/Enlarge option press the right or left arrow button to scroll through the options. "Actual Size" is the default, "Auto Fit" automatically resizes the copied image to the size of paper you are printing on, "Custom" allows you to resize the copy from 25% to 400%. When you see the option you want, press the OK button. The "Custom" options allows you to change the copy size in 1% increments. Then press the Copy button to start copying. Visit the Epson support site to see the User's Guide for the ET-2850 if you have further questions about how to use your printer. Regards, Mark - The Epson Team.
A:AnswerIf facing the printer, it is on the back left side of the printer. It is not exactly on the back, it is more in the side of the printer. Like many devices, it takes a USB B port, which is the square looking version of USB.