W8400 User's Guide
Page 252
... holder with the ink supply port facing down and the color label facing the rear. Important z If an ink tank has not been installed, EXXXX (error code) will be displayed on the top line of a print job. Go to Step 2 to Online or Offline mode. Replacing Ink Tanks 6 Insert the ink...
... holder with the ink supply port facing down and the color label facing the rear. Important z If an ink tank has not been installed, EXXXX (error code) will be displayed on the top line of a print job. Go to Step 2 to Online or Offline mode. Replacing Ink Tanks 6 Insert the ink...