Load paper into the paper cassette, and then presspaper button. The printer resumes printing and the light goes out.
The selected paper size does not match size of the paper fed into the printer. After loading paper that matches the print size selected with the computer, presspaper button to clear the error and continue printing. Reprint any missing pages.
Two sheets of paper are fed at the same time. Presspaper button to feed and eject the paper. If the paper remains in the printer, see Paper Feeding Problems While Printing.
An ink cartridge is expended or not installed. Replace the ink cartridge with a new one. If the light is still on after you have replaced the cartridge, it may not be installed correctly. Reinstall the ink cartridge so that it clicks into place. See Remove and Install Cartridges. The currently installed ink cartridge cannot be used with the printer. Replace the incompatible cartridge with an appropriate ink cartridge. See Remove and Install Cartridges. An ink cartridge is not installed correctly. Obtain a replacement ink cartridge. To determine which cartridge is nearly expended, check the ink cartridge status. See Check Ink Status From Your Computer. Open the output tray, and then slide out the extensions. Flashing alternately An unknown printer error has occurred. Turn off the printer. Open the printer cover and remove any paper or other obstructions from the paper path. See Paper Feeding Problems While Printing