If blinks slowly, the print cartridge carriers are stuck.
Raise the scanner unit.
Remove any objects blocking the path of the cartridge carriers.
Make sure the cartridge carrier lids are closed.
Lift the scanner unit, gently push the scanner support towards the cartridge carriers, and carefully lower the scanner unit until it is completely closed.
Press .
If is still blinking slowly:
Raise the scanner unit again.
Remove and then reinstall the print cartridges. For more information, see Replacing a print cartridge.