Check the Messages on the LCD display screen Follow the instructions on the display screen to solve most common problems. If you see one of the error messages below, follow the steps here to proceed. LCD display screen message Problem and solution A printer error has occurred. See your documentation. Turn the Epson Stylus NX400 Series off, make sure no paper is jammed inside, and turn it back on. If the error is not resolved, contact Epson for help. A scanner error has occurred. See your documentation. Turn off the Epson Stylus NX400 Series and then back on. If the error is not resolved, contact Epson for help. Waste ink pad in the printer is saturated. Parts inside the Epson Stylus NX400 Series are at the end of their service life. Contact Epson for help. Cannot recognize ink cartridges. Press OK and make sure the cartridges are installed correctly. Data error. The document cannot be printed. The cannot print from the connected camera due to a problem with the camera. Check your camera for the problem. Data error. The document may not be printed correctly. A photo you’re printing from a connected camera has a problem. Check your camera and the photo you’re trying to print. Cannot recognize the memory card or disk. The memory card is not inserted correctly or there is a problem with the card. Remove it and check the card. Print head cleaning failed. Try cleaning the print head again. If the error is not resolved, contact Epson for help.