Epson Stylus Pro 4880 User Manual page 230

7. Lower the ink lever to the secured position.
Note:
If you install an ink cartridge in the wrong slot, NO INK CRTG
appears on the LCD panel. Make sure that the correct ink cartridge
is installed in the correct slot.
8. Close the ink compartment cover. The printer returns to the
previous status.
Note:
If you have installed 220 ml ink cartridge, do not close the ink
compartment cover.
Maintenance and Transportation
230