Open the front cover, then install the ink cartridge properly or install the one compatible with this printer. The ink cartridge isn't installed properly or isn't compatible with this printer. Reload new paper, then press the RESUME/CANCEL button.
Reload paper in the rear tray and press the RESUME/CANCEL button.
Note the number of times the orange lamp flashes. The number of flashes tells you what type of error it is.
When a printer error occurs, the lamp on the printer flashes orange.